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- 本文通过裂纹张开位移(CTOD)试验研究了X65管线钢焊接接头各部位的抗开裂性能,通过落锤撕裂试验(DWTT)研究了X65钢母材的止裂性能。In this study, the Crack Tip Opening Displacement (CTOD) tests were carried out to investigate the crack resistance behavior of weld metal, HAZ and base metal of X65 pipeline steel. The Drop Weight Tearing test (DWTT) was carried out to investigate the crack arrest property of X65 base metal.
- 为了研究X65管线钢焊接接头的抗开裂性能和母材的止裂性能,对接头的金相组织进行了观察,并且进行了接头各区域裂纹尖端张开位移(CTOD)试验和母材的落锤撕裂试验(DWTT).For the investigation of crack resistance of welded joints of X65 pipeline steel and crack arrest pro-(perty) of base metal, microstructure of welded joints were observed and crack tip opening displacement (CTOD) tests and drop weight tearing tests (DWTT) were carried out.
- 介绍了南钢在3 500炉卷轧机上研制开发的X65管线钢板的生产工艺与产品性能。The production technology and mechanical properties of X65 pipeline steel plate produced by 3500 steckel mill at Nanjing Iron & Steel United Co.
- X65级管线钢X65 grade pipeline steel
- 控制热加工下管线钢中针状铁素体的形成ACICULAR FERRITE FORMATION IN A PIPELINE STEEL WITH THERMO-MECHANICAL CONTROL PROCESS
- X65钢X65
- 对高韧性管线钢落锤撕裂试验中异常断裂现象的评价Evaluation for Abnormal Fracture Appearance in Drop Weight Tear Test with High Toughness Linepipe
- X65级钢X65 grade steel
- 这类工具是钢制的。Tools of this kind are made from steel.
- 低铬X65钢low-chromium X65 steel
- 他的建筑主要是以钢筋混凝土或钢为骨架的。He centers his constructions around reinforced concrete or steel skeletons.
- 磁铁吸铁也吸钢。A magnet attracts both iron and steel.
- 他企图吞并另外两家钢厂。He attempts to meld the other two steel plants into his.
- 在这样的温度下焊钢需要速度和技术。It takes speed and skill to weld steel at this heat.
- 我们参观了博物馆,它是一座钢和玻璃的建筑物。We visited the museum, a steel and glass structure.
- 管线钢pipeline steel
- U字钢U-steel
- Z向钢Z-direction steel
- X65钢级直缝埋弧焊管X65 grade LSAW pipe
- 微合金设计更好地适应管线钢发展和应用中的强度和韧性An Alloy Design Concept for Better Matching of Strength and Toughness in Line Pipe Steels-its Development and Application