the effect of girth weld strength match on the limit load and fracture resistance of high-grade, large diameter pipelines was analyzed with failure analysis diagram(fad) method.
the welding methods, heat-affected zone, and design method of weld strength are introduced.
文中介绍铝合金的焊接方法、接热影响区以及焊接强度的设计方法。
it is studied in this paper that the main effective factors to the weld strength of the bimetals are the degree of deformation, frictional characteristics and the heat treatment procedure.
研究表明变形程度、摩擦条件及挤压后热处理规范对两种金属的焊合强度影响最大。
stress concentration, stress correction factor, limits of reinforcement, no requirement for reinforcement, openings in / or adjacent to welds, weld strength paths.
应力集中,应力校正系数,补强有效范围,不需补强,在焊缝及其附近的开孔,焊缝强度途径。
this paper gives an overview of manufacturing high-strength grade x80 line pipe, discusses design aspects including fracture inition, arrest and weld strength mismatch.
综述了国外在高钢级x80管道钢管方面的开发和应用状况。
effect of girth weld strength match on limit load and fracture resistance of high strength, large diameter pipelines steel is analyzed with fad (failure analysis diagram) method.