ADVANCED MATERIALS & PROCESSES | OCTOBER 2025 9 combine the best features of traditional plastics. They offer the flexibility of thermoplastics with the chemical and structural stability of thermosets. So, when combined with strong carbon fibers, you get a material that is several times stronger than steel, yet lighter than aluminum.” What sets ATSP apart from traditional plastics is its self-healing and shape-recovery capabilities. To investigate its properties, the researchers used cyclical creep testing. Next, using cyclical loading, the researchers identified two critical temperatures within the material—the glass transition temperature and the vitrification temperature. The team then conducted deep-cycle bending fatigue tests, periodically heating the material to around 160°C to trigger self-healing. The ATSP samples not only endured hundreds of stress and heating cycles without failure, but they grew more durable during the healing process. tamu.edu. STUDYING DIAMOND FOR FUSION IGNITION Scientists at the University of Cali- fornia, San Diego discovered how diamond can develop tiny structural flaws that may limit fusion performance. Diamond was recently used to encase fuel for fusion experiments at the National Ignition Facility (NIF) at Lawrence Livermore National Laboratory. At the NIF, powerful lasers are used to compress diamond capsules filled with deuterium and tritium to the extreme pressures needed for nuclear fusion. The process must be perfectly symmetrical to achieve maximum energy output. By using a high-power pulsed laser to simulate these conditions, researchers found that diamonds These transmission electron microscope images reveal shock-induced defects in diamond samples. Courtesy of Boya Li. STATEMENT OF OWNERSHIP, MANAGEMENT, CIRCULATION, ETC. Required by the Act of 23 October 1962, Section 4369, Title 39, United States Code, showing the ownership, management, and circulation of Advanced Materials & Processes®, publishes eight issues per year: January/February, March, April, May/June, July/August, September, October, and November/December at 9639 Kinsman Road, Materials Park, Ohio 44073, USPS #762-080. Annual subscription rate is $499. The publisher and editor are Scott D. Henry and Joanne Miller, respectively, both of 9639 Kinsman Road, Materials Park, Ohio, 44073. The owner is ASM International®, Materials Park, Ohio, which is a not-for-profit educational institution, the officers being; President and Chair of the Board, Elizabeth Hoffman; Senior Vice President and Trustee, Daniel P. Dennies; Vice President and Trustee, Tirumalai Sudarshan; Immediate Past President and Trustee, Navin Manjooran; Executive Director, Veronica Becker; Treasurer and Trustee, William Jarosinski; Trustees, Rahul Gupta, Hanchen Huang, Victoria M. Miller, Christopher J. Misorski, Erik Mueller, Ramana G. Reddy, JP Singh, Dehua Yang, and Fan Zhang; Student Board Members Victoria Anson, Emily Ghosh, and Wyeth Haddock. There are no known bondholders, mortgagees, and other security holders owning or holding 1% or more of the total amount of bonds, mortgages, or other securities. The issue date for circulation data below is April 2025. The average number of copies of each issue during the preceding 12 months is: (a) Total number of copies printed: 1,753; (b) Paid and/or requested circulation: (1) Paid/requested outside county mail subscriptions: 1,392; (2) Paid in-county subscriptions: 0; (3) Sales through dealers and carriers, street vendors, counter sales, and other non-USPS paid distribution: 231; (4) other classes mailed through the USPS: 0; (c) Total paid and/or requested circulation: 1,623; (d.1) Free distribution or nominal outside-county: 68; (d.3) Free distribution by mail: 23; (e) Total free distribution: 91; (f) Total distribution: 1,714; (g) Copies not distributed: 293; (h) Total: 2,007; (i) Percent paid: 95. The actual number of copies of single issue published nearest to filing date is: (a) Total number of copies printed: 3,622; (b) Paid and/or requested circulation: (1) Paid/requested outside-county mail subscriptions: 2,819; (2) Paid in-county subscriptions: 0; (3) Sales through dealers and carriers, street vendors, counter sales, and other non-USPS paid distribution: 475; (4) other classes mailed through the USPS: 0; (c) Total paid and/or requested circulation: 3,294; (d.1) Free distribution or nominal outside-county: 79; (d.3) Free distribution by mail: 56; (e) Total free distribution: 135; (f) Total distribution: 3,429; (g) Copies not distributed: 724; (h) Total: 4,153; (i) Percent paid: 96. I certify that the statements made by me above are correct and complete. Scott D. Henry, Publisher can form a series of defects—from subtle crystal distortions to narrow zones of complete disorder. These imperfections can disrupt implosion symmetry, which in turn can reduce energy yield or even prevent ignition. The new findings will help scientists develop improved capsule designs to achieve more uniform implosions, maximizing the energy output of fusion experiments. ucsd.edu.
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