…Hydrogen embrittlement is unique to steels with a body-centered cubic structure, and the cracking morphology is transgranular. It includes delayed fracture that occurs in high-tensile steels subjected to high tensile stress, and sulfide stress corrosion cracking (SSCC) that occurs in environments containing sulfides. Active path cracking occurs due to the cooperation between electrochemical dissolution of metals and tensile stress, and both intergranular and transgranular cracking exist. … *Some of the terminology that refers to "sulfide stress corrosion cracking" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…水素脆化は体心立方構造の鋼に特有のもので,割れ形態は粒内割れである。高い引張応力を付加した高張力鋼に発生する遅れ破壊や,硫化物を含む環境でおこる硫化物応力腐食割れ(硫化物割れ)sulfide stress corrosion cracking(SSCC)等が含まれる。活性経路割れは,金属の電気化学的溶解と引張応力との協同作用でおこるものであり,粒界割れと粒内割れの双方が存在する。… ※「sulfide stress corrosion cracking」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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