CRACK GROWTH RATE IN WELD METAL OF HOMEMADE OFFSHORE STRUCTURE STEEL 36Z

Acta Metallurgica Sinica (English Letters) ›› 1992, Vol. 5 ›› Issue (8): 99-103.

• Research paper • Previous Articles Next Articles

CRACK GROWTH RATE IN WELD METAL OF HOMEMADE OFFSHORE STRUCTURE STEEL 36Z

ZANG Qishan LIU Kang Institute of Metal Research,Academia Sinica,Shenyang,ChinaKE Wei ZHENG Yuli Institute of Corrosion and Protection of Metals,Academia Sinica,Shenyang,China

Received:1992-08-11 Revised:1992-08-11 Online:1992-08-11 Published:2009-10-10

Abstract

Abstract: Investigation was carried out of the crack growth rate in weld metal and heat affected zone (HAZ)of offshore structural steels,homemade steel 36Z together with foreign steel A537 of similar strength grade by comparison,in artificial sea water undergone fatigue with different frequencies.The crack growth rate in weld metal and HAZ of steel 36Z fatigued at low fre- queney may be 3—5 and 4—10 times as high as that at high frequency respectivley.The crack growth rate for steel 36Z may fairly match that of A537,The crack growth model and frac- ture of weld metal in corrosive medium were also discussed.

Key words: weld metal, corrosion fatigue, crack growth, steel 36Z, steel A537

ZANG Qishan LIU Kang Institute of Metal Research,Academia Sinica,Shenyang,ChinaKE Wei ZHENG Yuli Institute of Corrosion and Protection of Metals,Academia Sinica,Shenyang,China. CRACK GROWTH RATE IN WELD METAL OF HOMEMADE OFFSHORE STRUCTURE STEEL 36Z[J]. Acta Metallurgica Sinica (English Letters), 1992, 5(8): 99-103.

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CRACK GROWTH RATE IN WELD METAL OF HOMEMADE OFFSHORE STRUCTURE STEEL 36Z

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