KBb番号/043475℃脆化による材質変化
KBb番号:043
モード:材質変化
メカニズム①:熱劣化
'メカニズム②:475℃脆化
特徴:フェライト系ステンレス鋼は,475℃付近の温度に保持すると,Cr濃度の異なる固容体が生成され,析出によって脆化する・これを475℃脆化という・硬さの増大よりも,靭性の低下が顕著である・
主たる材料:フェライト系ステンレス鋼
事例:
KBb番号:043
モード:材質変化
メカニズム①:熱劣化
'メカニズム②:475℃脆化
特徴:フェライト系ステンレス鋼は,475℃付近の温度に保持すると,Cr濃度の異なる固容体が生成され,析出によって脆化する・これを475℃脆化という・硬さの増大よりも,靭性の低下が顕著である・
主たる材料:フェライト系ステンレス鋼
事例:
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