Overview. Established in 1947, Diamond Credit Union proudly calls Pottstown, Pennsylvania home. For over 77 years, Diamond CU has been a trusted financial partner, boasting a network of 7 branches and 7 ATMs across the country.. As the 14 th largest credit union in Pennsylvania Diamond Credit Union stewards over $974.02 Million in assets …Diamond/Cu composites are widely studied as a new generation of thermal management materials in the field of electronic packaging and heat sink materials. The surface modification of diamond can improve interfacial bonding between the diamond and Cu matrix. The Ti-coated diamond/Cu composites are prepared via an independently … For additional payment options and to avoid identifying yourself every time, login to online banking or create an account today. Identify Your Account. Member Number. Social Security Number (SSN) Vehicle Identification Number (VIN) Please complete the following to confirm your identity: Member Name. First word in Members First and Last name. Be the first to ask about Diamond CU's location at 100 Diamond Way, Royersford, PA! Ask a Question. Name: Question: * * Do not enter personal information, such as account numbers, phone numbers, address, etc. Email Address: Ask Your Question. Contact Diamond Credit Union in Royersford. Phone Number: (610) 326-5490.Open A Savings Account: Everyone’s journey with Diamond Credit Union begins by establishing a required Membership Share Savings Account with at least a $5 deposit. Once established, you automatically become a member-owner of the credit union and have access to additional product offerings that include four additional savings accounts.If you need to move money from your Diamond account to a non-Diamond member, now you can do so easily without writing a check. All you need is the person’s cell phone number or email address to make the transfer … Who We Are. Diamond Valley Federal Credit Union is a full-service financial institution serving those who live, work, worship or attend school in Vanderburgh and Warrick Counties, or is an immediate family member of someone that does. Since our start in 1961, Diamond Valley FCU has grown by providing our members low cost products and services ... Wyomissing Branch. 1500 Ethan Drive. Wyomissing, PA 19610. (Corner of Broadcasting & Paper Mill Roads) Mailing address: 1600 Medical Drive, Pottstown, PA 19464. Make an appointment for Wyomissing. Get Directions. Day-to-day account management is easier with Diamond’s checking and savings accounts. Get equipped with all the tools you need to manage your financial accounts quickly, easily, and in the most effective way possible with all of our checking and savings options. Additionally, NetBranch Online Banking provides the ability to open new accounts ... The maximum Annual Percentage Rate that can be charged is 18%. The line has a variable rate feature and the Annual Percentage Rate and the minimum monthly payment can change as a result. Other terms and conditions apply based on the type of loan you establish. Consult your tax advisor regarding the deductibility of mortgage interest and … About Diamond Credit Union. Diamond Credit Union was chartered on Jan. 1, 1947. Headquartered in Pottstown, PA, it has assets in the amount of $450,432,908. Be the first to ask about Diamond CU's location at 100 Diamond Way, Royersford, PA! Ask a Question. Name: Question: * * Do not enter personal information, such as account numbers, phone numbers, address, etc. Email Address: Ask Your Question. Contact Diamond Credit Union in Royersford. Phone Number: (610) 326-5490.Muhlenberg Branch. 4453 North 5th Street Highway Temple, PA 19560 (Corner of Business Rt. 222 North and Darby Avenue) Mailing address: 1600 Medical Drive, Pottstown, PA 19464. Make an appointment for Muhlenberg. Get DirectionsThe TC of the 40 vol.% Ti-coated diamond/Cu composite is 475.01 W m−1 K−1, much higher than that of diamond/Cu and Cu-coated diamond/Cu composites under equivalent manufacturing conditions.Diamond Credit Union is a not-for-profit financial institution serving the people of Berks County and the TriCounty Area. When you become a member of Diamond...Annual Reports. Local Phone Number: 610-326-5490. Toll Free Phone Number: 800-593-1000. Routing Number: 231385154. 75+ years of growth, record-breaking fundraisers for local charities, and a full menu of financial products and services. Hear our story.diamond/Cu composites were sintered by high ‐temperature and high pressure technology, and the density of surface‐modified diamond/Cu composites was less than 4gcm−3. The W–WC–W 2C@diamond/Cu composites have a thermal diffusivity as high as 331mm2 s−1, and their thermal expansion coefficient is as low as 1.76×10−6 K−1. It’s easy to become a member of Diamond Credit Union and to start taking advantage of the benefits of membership. You can sign up with our easy online application or by calling 610-326-5490 to speak with a dedicated Diamond representative. If you live, work, or attend school in Berks, Montgomery, Chester or Bucks Counties you are eligible for ... Labor Day – Monday, September 2, 2024 – CLOSED. Columbus Day – Monday, October 14, 2024 – CLOSED. Veterans Day – Monday, November 11, 2024 – CLOSED. Thanksgiving – Thursday, November 28, 2024 – CLOSED. Christmas Day – Wednesday, December 25, 2024 – CLOSED. Check out our calendar of events for holiday hours, … Diamond Credit Union will credit the member up to $300 towards their first payment after vehicle is financed through Diamond Credit Union. Offer void when 7-day Repurchase Agreement is activated. Offer valid only on Enterprise vehicles purchased 03/15/24 – 04/30/24. No cash advances. Offer cannot be combined. In this study, diamond/Cu composites were fabricated by SPS technique using the mixture of diamond particles and Cu powder. The tribological behaviors at elevated temperature (friction coefficient, wear rate, oxidation, adhesive, etc.) of the diamond/Cu composites were investigated qualitatively and quantitatively. 2. …No matter where you are in the process – already a homeowner, ready to buy a new home today, or want to be ready down the road – our team is here to help you feel comfortable and confident. We’re in this together – that’s younity. Diamond offers competitive rates, lower fees, and a variety of loan types including fixed- and adjustable ...Recover username | Forgot password? If you are having trouble recovering your credentials, please contact us at 1-855-862-4242.Be the first to ask about Diamond CU's location at 100 Diamond Way, Royersford, PA! Ask a Question. Name: Question: * * Do not enter personal information, such as account numbers, phone numbers, address, etc. Email Address: Ask Your Question. Contact Diamond Credit Union in Royersford. Phone Number: (610) 326-5490.Cu Sn, diamond/Cu–Sn, and Cu-coated diamond/Cu–Sn composites were fabricated using an L-PBF equipment (HKM-125, Wuhan Huake 3D Technology Co., Ltd., Wuhan, China) and a single-mode fiber laser (IGP-500 W, USA) with a wavelength of 1064 nm, maximum power of 500 W, and maximum scanning speed of 4000 mm/s. The O 2 …Thermal conductivity of the diamond-Cu composite containing 43.2 vol. % diamond increases with increasing relative packing density, reaching a maximum (654W/mK) at a relative packing density of 99.2%.Manage and maximize your money with these banking tools. For individuals who want to make managing and maximizing their dollars a cinch, Diamond Credit Union’s Account Management Tools can help accomplish several tasks. The know-how on depositing money, protecting money from overdrafts, taking a break from loan payments, and … Compare the products and services in our Business Services division and you’ll realize there has never been a better place or time to launch your business plans or expand your current business than right here, right now with Diamond Credit Union. Diamond knows that when local businesses succeed, our community succeeds. Diamond Credit Union is a member-owned and operated financial institution that offers low-cost banking services to Southeast Pennsylvania community. You can access your …We go to the appropriate cell in the table (above) and see the diamond value lists for 54 ($100s). We multiply the price per carat by the carat weight of the stone and …Diamond/aluminum (Dia/Al) composites were fabricated by powder metallurgy using starting Al powders of different size. Effect of matrix-to-reinforcement particle size ratio (PSR) on diamond particle dispersion was revealed, and higher thermal conductivity of Dia/Al composites with a certain volume fraction was achieved by …This full-service, 4,100 square foot, state-of-the-art, free-standing branch offers products, services, and exceptional personal attention which differentiates Diamond from other financial institutions. The Cumru branch is conveniently located at 1030 Cedar Top Road in Reading, Pa., 19607. This is near the corner of Route 724 and Route 625. Secure & Easy Day-To-Day Account Management. Get equipped with all the tools you need to manage your financial accounts quickly, easily, and in the most effective way possible with all of our savings and checking account options. Additionally, NetBranch Online Banking provides the ability to open new accounts online. Download the App for easy ... Who We Are. Diamond Valley Federal Credit Union is a full-service financial institution serving those who live, work, worship or attend school in Vanderburgh and Warrick Counties, or is an immediate family member of someone that does. Since our start in 1961, Diamond Valley FCU has grown by providing our members low cost products and services ... The research progress of diamond/Cu composite is introduced systematically. The guiding factors of high thermal conductivity of diamond/Cu composite are emphatically analyzed. The progress and problems in the application of diamond/Cu composite are discussed. The future research directions of diamond/Cu composite are …The TC of the 40 vol.% Ti-coated diamond/Cu composite is 475.01 W m−1 K−1, much higher than that of diamond/Cu and Cu-coated diamond/Cu composites under equivalent manufacturing conditions.Business Services. Running a small business involves a lot of tasks that aren’t associated with the core purpose of your business. These small business financial solutions ranging from loans to everyday finances with additional services to assist in running your business. Local service team and decision-making offering small business banking ...Diamond CU Mobile Banking is a free service that lets you access your accounts safely and conveniently from your app-enabled devices. You can check balances, deposit checks, …Personal Banking Center Loans & Credit Center Home & Mortgage Center Investments & Financial Planning Center Business Services Division. Access your accounts easily in …Diamond CU - 6591 Perkiomen Avenue, Birdsboro, PA Map Exeter Branch. Find Nearby Branches. Nearby Diamond Credit Union Branches. Tower Health Reading Hospital Branch. 420 South 5th Ave, R Building West Reading, PA Closed Today. 7.4 miles. Wyomissing Branch. 1500 Ethan Dr Wyomissing, PA Closed Today. 9.5 miles.But the experimental results of ITC at the Cu/C interface varied significantly according their preparation methods. In recent work by Fan et al. [29], the experimental values of 55 MW/(m 2 ·K) for the (100) diamond/Cu and 48 MW/(m 2 ·K) for the (111) diamond/Cu were reported.1.26% Annual Percentage Yield. Premier Money Market***. $10,000 and up. .76% Annual Percentage Yield. Premier Money Market. $2,500 - $9,999. .51% Annual Percentage Yield. *Falling below the minimum balance requirement of $50,000 will result in a $10.00 monthly fee and a rate reduction. **Falling below the minimum balance requirement of $25,000 ...In this study, diamond/Cu composites were fabricated by SPS technique using the mixture of diamond particles and Cu powder. The tribological behaviors at elevated temperature (friction coefficient, wear rate, oxidation, adhesive, etc.) of the diamond/Cu composites were investigated qualitatively and quantitatively. 2. … Diamond CU Wyomissing Branch 1500 Ethan Drive Wyomissing, PA 19610 . Phone Number: Click-to-Call: (610) 326-5490. Toll-Free: Click-to-Call: (800) 593-1000. Charter ... Who We Are. Just like in any other aspect of life, financial growth is important. Since our doors opened in July 1947 we’ve been creating more opportunities for our members to …The diamond/Cu composites produced by surface metallization of diamonds with Mo generally exhibit TC exceeding 600 W·m −1 ·K −1, thereby offering broad application prospects. Shen et al. [40] . deposited a 2 μm Mo-Mo 2 C layer on surface of diamond particles by sintering of powder, and then prepared diamond/Cu composites …In this study, Diamond/Cu composites were fabricated using ultrasonic consolidation and resistance rapid diffusion technology with Cr addition to improve the diamond-metal matrix wettability and ...There are three types of interest rates you could have on your credit card. Generally, the interest rate will either be fixed or variable. When you first sign up for a credit card, you may receive a promotional interest rate. Fixed-rate – Your interest rate or APR will not change without notice.Diamond Credit Union offers a convenient and secure way to pay your bills, transfer funds, and manage your finances with CUI Pay. Log in with your NetBranch account and enjoy the benefits of online banking anytime, anywhere.Diamond Credit Union | 1,042 followers on LinkedIn. Join the younity movement! | Diamond encourages and supports these Core Values for all employees: - Do what is best for our …arrow_forward. Enjoy easy management of your Diamond Credit Union credit card anywhere with the Diamond Visa Card app. This app offers a convenient way to: • …Diamond is a not-for-profit, member-owned credit union. There’s a big difference between credit unions and commercial banks. While banks have to produce profits for shareholders, as a credit union, our profits are shared with our members – that means the more we grow, the more you benefit. As a credit union, Diamond distributes profits to ...CIUPIŃSKI et al [19] have prepared diamond/Cu composites, including Cr3C2 carbide via pulse plasma sintering, achieving the maximum thermal conductivity of 687 W/(m·K). As for boron, it can be directly alloyed into the copper matrix or grown on the diamond surface as a coating, resulting in increased tensile strengths and thermal …Who We Are. Just like in any other aspect of life, financial growth is important. Since our doors opened in July 1947 we’ve been creating more opportunities for our members to …The thermal conductivity of Diamond/Cu composites under different diamond particle mixing schemes all exceeded 700 W/mK. In particular, the obtained maximum thermal conductivity value of 853 W/mK in Diamond/Cu composites, increases 220% than pure copper by introducing 25 vol% of secondary diamond particles with a particle size …Diamond Credit Union | 1,042 followers on LinkedIn. Join the younity movement! | Diamond encourages and supports these Core Values for all employees: - Do what is best for our …The Diamond Cup is one of Australia's largest youth football competitions. Held on Sydney's North Shore, the Diamond Cup hosts over 500 players who play over three days in summer. The Diamond Cup runs on average 100 games a day and is an incredible event for the competitors and spectators.This full-service, 4,100 square foot, state-of-the-art, free-standing branch offers products, services, and exceptional personal attention which differentiates Diamond from other financial institutions. The Cumru branch is conveniently located at 1030 Cedar Top Road in Reading, Pa., 19607. This is near the corner of Route 724 and Route 625.Wij willen hier een beschrijving geven, maar de site die u nu bekijkt staat dit niet toe.Highlights Weak interface results in low thermal conductivities of diamond–Cu composites. Cr or Ti coating layer on the surface of diamond can strengthen the interface. Cr-coated diamond–Cu composites show higher thermal conductivity than Ti-coated. The optimum thickness of Cr layer is within 0.6–0.9 μm. The maximum of …Diamond Credit Union is the 15th largest credit union in Pennsylvania, and currently holds over $900 million in assets with over 64,000 members. Since 1947, they have invested in their commitment to genuine, personal connections with their members. As a full-service, community-chartered credit union, they serve Berks, Montgomery, Chester, and ... Day-to-day account management is easier with Diamond’s checking and savings accounts. Get equipped with all the tools you need to manage your financial accounts quickly, easily, and in the most effective way possible with all of our checking and savings options. Additionally, NetBranch Online Banking provides the ability to open new accounts ... Diamond/Cu composites are widely studied as a new generation of thermal management materials in the field of electronic packaging and heat sink materials. The surface modification of diamond can improve interfacial bonding between the diamond and Cu matrix. The Ti-coated diamond/Cu composites are prepared via an independently …The Diamond/Cu composites with bimodal diamond particles reinforced were fabricated by vacuum pressure infiltration. The influence of diamond volume fractions on the microstructure, thermal expansion behaviour, residual Stress and dimensional stability of the composites were investigated by using scanning electron microscopy, X …Create positive energy through your actions. Act with integrity in all situations. Share and embrace new ideas. Take initiative to make an impact. Get it right the first time. Challenge yourself to maximize your potential. It’s no wonder that Diamond has been named one of the Best Places to Work in PA year after year.arrow_forward. Enjoy easy management of your Diamond Credit Union credit card anywhere with the Diamond Visa Card app. This app offers a convenient way to: • …Who We Are. Just like in any other aspect of life, financial growth is important. Since our doors opened in July 1947 we’ve been creating more opportunities for our members to …Fri: 9:00 am to 6:00 pm. Sat: Contact Center only 8:00 am to 1:00 pm (Branch Closed) Sun: Closed. Diamond is a full-service, award-winning credit union in Pottstown, PA. High quality, community-driven banking services for 75+ years. Join today.Highlights Weak interface results in low thermal conductivities of diamond–Cu composites. Cr or Ti coating layer on the surface of diamond can strengthen the interface. Cr-coated diamond–Cu composites show higher thermal conductivity than Ti-coated. The optimum thickness of Cr layer is within 0.6–0.9 μm. The maximum of … Diamond CU Wyomissing Branch 1500 Ethan Drive Wyomissing, PA 19610 . Phone Number: Click-to-Call: (610) 326-5490. Toll-Free: Click-to-Call: (800) 593-1000. Charter ... Here, diamond/Cu-B composites with different boron content were prepared by vacuum pressure infiltration. Diamond/Cu-B composites up to 694 W/(mK) were obtained. The interfacial carbides formation process and the enhancement mechanisms of interfacial heat conduction in diamond/Cu-B composites were studied by HRTEM and …Cu Sn, diamond/Cu–Sn, and Cu-coated diamond/Cu–Sn composites were fabricated using an L-PBF equipment (HKM-125, Wuhan Huake 3D Technology Co., Ltd., Wuhan, China) and a single-mode fiber laser (IGP-500 W, USA) with a wavelength of 1064 nm, maximum power of 500 W, and maximum scanning speed of 4000 mm/s. The O 2 …The diamond/Cu composites produced by surface metallization of diamonds with Mo generally exhibit TC exceeding 600 W·m −1 ·K −1, thereby offering broad application prospects. Shen et al. [40] . deposited a 2 μm Mo-Mo 2 C layer on surface of diamond particles by sintering of powder, and then prepared diamond/Cu composites … Educational Use Your Credit Card Rewards To Help You Pay For Your Vacation. Educational Credit Union vs Bank: Similarities And Differences. Educational Understanding Credit Card Interest. Local Phone Number: 610-326-5490. Toll Free Phone Number: 800-593-1000. Routing Number: 231385154. We are happy to welcome a new President/CEO to Team Diamond, Rick Patel! Get to know Rick in our latest blog. #thatsyounity https://lnkd.in/eC7BZdBT | 15 comments on LinkedInMuhlenberg Branch. 4453 North 5th Street Highway Temple, PA 19560 (Corner of Business Rt. 222 North and Darby Avenue) Mailing address: 1600 Medical Drive, Pottstown, PA 19464. Make an appointment for Muhlenberg. Get DirectionsBut the experimental results of ITC at the Cu/C interface varied significantly according their preparation methods. In recent work by Fan et al. [29], the experimental values of 55 MW/(m 2 ·K) for the (100) diamond/Cu and 48 MW/(m 2 ·K) for the (111) diamond/Cu were reported.If you live, work, worship, go to school, or regularly conduct business in Berks, Montgomery, Chester or Bucks Counties, we invite you to join the Diamond family and earn lower interest rates on loans, a higher return on your savings and less fees than many financial institutions. Join over 64,000 members in the region and take advantage of the ...Here, diamond/Cu-B composites with different boron content were prepared by vacuum pressure infiltration. Diamond/Cu-B composites up to 694 W/(mK) were obtained. The interfacial carbides formation process and the enhancement mechanisms of interfacial heat conduction in diamond/Cu-B composites were studied by HRTEM and …Diamond/Cu composites are widely studied as a new generation of thermal management materials in the field of electronic packaging and heat sink materials. The surface modification of diamond can improve interfacial bonding between the diamond and Cu matrix. The Ti-coated diamond/Cu composites are prepared via an independently …About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...Open A Savings Account: Everyone’s journey with Diamond Credit Union begins by establishing a required Membership Share Savings Account with at least a $5 deposit. Once established, you automatically become a member-owner of the credit union and have access to additional product offerings that include four additional savings accounts. The Diamond Mortgage Team is committed to getting you in the house by offering competitive rates, lower fees, fixed and adjustable-rate mortgages, plus a special program for First-Time Homebuyers. With today's competitive rates, if you're thinking of refinancing your mortgage, then contact the mortgage experts for some great refinancing options ... Diamond Credit Union is a not-for-profit financial institution serving the people of Berks County and the TriCounty Area. When you become a member of Diamond...Diamond CU - Financial Summary Q4 2023. Download. ASSETS; Cash & Other Deposits $109,448,572; Total Investments $214,047,584; Loans Held for Sale $0; Total Loans $589,739,898 (Allowance for Loan & Lease Losses or Allowance for Credit Losses on Loans and Leases) ($4,683,602) Land And Building $16,549,422;Be the first to ask about Diamond CU's location at 100 Diamond Way, Royersford, PA! Ask a Question. Name: Question: * * Do not enter personal information, such as account numbers, phone numbers, address, etc. Email Address: Ask Your Question. Contact Diamond Credit Union in Royersford. Phone Number: (610) 326-5490.Start with these 3 basic steps: 1. Check your credit report for errors. A mistyped social security number, applying for credit under a formal name and nickname (Andrew vs Andy) or other clerical errors can easily add incorrect information onto your report, dragging down your score a result. 2.
Diamond Credit Union is a Pennsylvania state-chartered and federally-insured credit union serving Berks, Montgomery, Chester and Bucks Counties. Diamond has been offering low cost financial services with world class service since 1947. As a not-for-profit financial cooperative, it is owned and operated by its members and is one of the area’s .... Everwash app
196 Citations. 251 Altmetric. Metrics. Self-assembling colloidal particles in the cubic diamond crystal structure could potentially be used to make materials with a photonic bandgap 1, 2, 3. Such ...Annual Reports. Local Phone Number: 610-326-5490. Toll Free Phone Number: 800-593-1000. Routing Number: 231385154. 75+ years of growth, record-breaking fundraisers for local charities, and a full menu of financial products and services. Hear our story. Diamond Credit Union will credit the member up to $300 towards their first payment after vehicle is financed through Diamond Credit Union. Offer void when 7-day Repurchase Agreement is activated. Offer valid only on Enterprise vehicles purchased 03/15/24 – 04/30/24. No cash advances. Offer cannot be combined. Muhlenberg Branch. 4453 North 5th Street Highway Temple, PA 19560 (Corner of Business Rt. 222 North and Darby Avenue) Mailing address: 1600 Medical Drive, Pottstown, PA 19464. Make an appointment for Muhlenberg. Get DirectionsThe hot-pressing diamond/Cu composite with 60 vol% modified diamonds exhibits the best thermal conductivity of 495.5 W·m⁻¹·K⁻¹, slightly below the values predicted by the model H-J and DEM ...Cumru Branch. 1030 Cedar Top Road. Reading, PA 19607. (Corner of Rt. 724 and Rt. 625) Mailing address: 1600 Medical Drive, Pottstown, PA 19464. Make an appointment for Cumru. For additional payment options and to avoid identifying yourself every time, login to online banking or create an account today. Identify Your Account. Member Number. Social Security Number (SSN) Vehicle Identification Number (VIN) Please complete the following to confirm your identity: Member Name. First word in Members First and Last name. Manage your Diamond Credit Union account online with secure login. Access online/mobile banking, check balances, pay loans, and more. Choose To GO GREEN Today! If you use NetBranch and have an e-mail address, you can go green using Diamond’s free electronic communications for Statements & Notifications, and Custom Alerts. These electronic communications enable you to manage your accounts quicker, easier, and more efficiently. No waiting to receive account information in the ... We go to the appropriate cell in the table (above) and see the diamond value lists for 54 ($100s). We multiply the price per carat by the carat weight of the stone and … Diamond Credit Union will credit the member up to $300 towards their first payment after vehicle is financed through Diamond Credit Union. Offer void when 7-day Repurchase Agreement is activated. Offer valid only on Enterprise vehicles purchased 03/15/24 – 04/30/24. No cash advances. Offer cannot be combined. Diamond CU Boyertown Branch 173 Holly Road Gilbertsville, PA 19525 ( Map) Phone Number: Click-to-Call: (610) 326-5490. Toll-Free: Muhlenberg Branch. 4453 North 5th Street Highway Temple, PA 19560 (Corner of Business Rt. 222 North and Darby Avenue) Mailing address: 1600 Medical Drive, Pottstown, PA 19464. Make an appointment for Muhlenberg. Get DirectionsJoin your friends and neighbors in belonging to an award-winning credit union! Diamond Credit Union is the 15th largest credit union in Pennsylvania, and currently holds over $900 million in assets with over 64,000 members.1.26% Annual Percentage Yield. Premier Money Market***. $10,000 and up. .76% Annual Percentage Yield. Premier Money Market. $2,500 - $9,999. .51% Annual Percentage Yield. *Falling below the minimum balance requirement of $50,000 will result in a $10.00 monthly fee and a rate reduction. **Falling below the minimum balance requirement of $25,000 ... Just like in any other aspect of life, financial growth is important. Since our doors opened in July 1947 we’ve been creating more opportunities for our members to expand and diversify their finances. Find out why we were ranked among the nation’s top Credit Unions and a top Credit Union in Pennsylvania. History Of Diamond. Diamond/Cu composites were prepared using high-temperature and high-pressure technology. The results show that, by adjusting the heat treatment process, tungsten carbide and di-tungsten carbide are generated by an in-situ reaction at the tungsten-diamond interface, and W-WC-W 2 C gradient layer-coated diamond particles ….