KB番号:015
概要説明:高温+時間によるマルテンサイト系ステンレス、13Cr系ステンレスの延性現象
ストレス大分類:温度
ストレス小分類:高温+時間
故障メカニズム大分類:高温脆性?
故障メカニズム小分類:475脆性
故障フェーズⅠ:スピノーダル分解
故障フェーズⅡ:材料脆化
故障モード:延性現象
アイテム:マルテンサイト系ステンレス、13Cr系ステンレス
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:硬度測定
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