KB番号:006
概要説明:高温による鉄鋼のき裂、破断
ストレス大分類:温度
ストレス小分類:高温
故障メカニズム大分類:高温脆性?
故障メカニズム小分類:青熱脆性
故障フェーズⅠ:加熱
故障フェーズⅡ:伸び、絞りの低下
故障モード:き裂、破断
アイテム:鉄鋼
故障の発生原理:Griffithの法則?
Griffithの法則
亀裂の不安定性は,新しい亀裂面の広がりによる表面エネルギーよりも,物体中に蓄えられた歪みのエネルギーの解放増分が大きくなったときに起こるという法則.
故障モードの検出:
主な業界・分野:電子デバイス、化学、石油
抑制対策(再発防止策):
抑制対策(評価基準):
備考:
website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website website