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News

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ACHTSE 2026

2026 Asian Conference on Heat Treatment and Surface Engineering (ACHTSE2026) was successfully held in Chengdu, Sichuan, from September 11 to 13. The conference is part of a regional international conference series jointly initiated by institutions from China, Japan, South Korea, and other countries. This conference focused on the latest research progress, technological frontiers, and future […]

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KPCA SHOW 2026 (Korea)

Exhibition: KPCA SHOW Date: September 9–11, 2026 Venue: Songdo Convensia, Korea Booth No.: B113 As one of the most influential PCB industry events in Korea and across Asia, KPCA SHOW brings together top enterprises and professionals from the global industrial chain. This year’s KPCA SHOW once again demonstrated its tremendous energy as a core hub […]

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JASIS 2026 (Japan)

Exhibition: JASIS 2026 Dates: September 2–4, 2026 Venue: Makuhari Messe, Tokyo Booth No.: 6A-801 On September 4, the three-day JASIS 2026, Asia’s largest analytical instrumentation exhibition, successfully concluded at Makuhari Messe. Trojan made a strong appearance with its full-process metallographic sample preparation solutions covering cutting, mounting, and grinding/polishing, drawing many professional visitors to the booth. […]

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Carbon Fiber Composites: Preparation Matters for Reliable Microstructural Analysis

Carbon fiber composites combine lightweight design with high mechanical performance, but their heterogeneous structure makes metallographic preparation particularly challenging. During sectioning and polishing, fiber pull-out, surface damage, scratches, and edge rounding can alter the fiber/matrix interface and affect the accuracy of subsequent microstructural analysis. For this sample, a controlled preparation route was used: • TJ2568 […]

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Sapphire coating preparation: protecting the layer is the real challenge

For coated sapphire components used in optical and precision applications, metallographic cross-sectioning is often used to evaluate coating and ink-layer thickness, interface quality, and overall integrity. The challenge is preparation. Thin coatings can easily suffer from edge chipping, delamination, pull-off, or rounding during cutting and polishing, making the final cross-section difficult to measure accurately. For […]

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SPCC cross-section: when forming failures start from the microstructure

Cracking, delamination, or brittle fracture during stamping and bending of SPCC cold-rolled steel may not always be explained by dimensions or conventional tensile properties. Cross-sectional metallography can reveal what routine inspection may miss — such as coarse grains, excessive banding, carbide aggregation, or rolling-induced microcracks that can reduce formability and contribute to unexpected failures. For […]