Material Analysis
11 조회수
PSU Long-term Use Temperature
문제 현상
[Problem Phenomenon] PSU parts degrade in performance faster than expected under long-term high-temperature conditions
원인 분석
PSU mechanical and electrical properties can be maintained up to about 175°C, Tg 185-190°C; long-term operation near the upper limit accelerates creep and aging; selection must leave margin
해결 방법
Control long-term operating temperature below 175°C with design margin; evaluate PESU (200°C) or PEI for over-temperature situations; regularly test performance degradation
핵심 요약
175°C is the PSU long-term performance line; over-temperature service requires switching to PESU or PEI; After confirming effectiveness, solidify the parameters and practices into the work instructions to prevent recurrence
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