Fabrication-related defects Hot”cracking Weld solidification HAZ liquation Weld metal liquation Warm”cracking Ductility dip Reheat/PWHT Strain age Liquid metal embrittlement (LME) Cold”cracking Hydrogen-induced(or hydrogen-assisted)cracking Delayed cracking Process control Lack of fusion Weld undercut Excessive overbead Incomplete penetration Slag inclusions Others Geometric defects(design or fit-up) Metallurgical anomalies (e.g.,local softening or embrittlement) Porosity
Fabrication-related defects
船舶海洋领域-应力腐蚀及断裂问题门 疲劳断裂 海洋石油981深水半潜式钻井平台 LNG(Liquefied Natural Gas) 162℃低温运输液化气的专用船舶 应力腐蚀
船舶海洋领域-应力腐蚀及断裂问题 海洋石油981深水半潜式钻井平台 LNG(Liquefied Natural Gas) -162℃低温运输液化气的专用船舶 应力腐蚀 疲劳断裂