氫氣對金屬材料之影響,一般都認爲是有害的,除負面作用外,本文也特别回顧幾種因氫溶入而屬有利的作用.氫氣溶解入金屬材料,會造成金屬材料的破壞,却也因形成氫化物,可制作具高氫密度之儲氫材料.鈦合金利用形成氫化物之熱氫制程(thermohydrogen provessing),會使晶粒細化而改善機械性質.本報告將從氫進入金屬之機理(mechanisms)、氫氣擴散及分布之測量技術來說明氫脆.
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