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Fatih Hayat
钢铁研究学报(英文版)
Zinc coated dual phase 600 steel (DP 600 grade) was investigated, utilisation of which has gradually increased with each passing day in the automotive industry. The adhesive bonding (AB), resistance spot welding (RSW), and adhesive weld bonding (AWB) joints of the zinc coated DP 600 steel were inves...
关键词: advanced high strength steel , DP600 , adhesive weld bonding , microstructure , deformation , fracture
Fatih Hayat , Hüseyin Uzun
Grade A (GA) and high strength steel DH36 ship steels possessing different chemical compositions were used, and strength properties of GA steel and DH36 steel were compared. Additionally, 4 types of dual phase (DP) steels with different martensite volume fractions (MVFs) were produced from GA steel ...
关键词: Grade A ship steel , DH36 ship steel , dual phase steel , martensite , mechanical property , fracture
仝珂,卫尊义,朱丽霞,何小东,曾燕屏
钢铁
采用扫描电镜原位观测的方法,跟踪观察了拉伸载荷作用下X80管线钢中不同尺寸、形态的夹杂物导致裂纹萌生与扩展的微观力学行为。结果表明:在拉伸载荷作用下,夹杂物面积越大,夹杂内萌生的裂纹条数越多,第1条裂纹萌生时的应力越小;夹杂物的形态和面积决定第1条裂纹的萌生位置;当夹杂物呈不规则形态且棱角较多时,裂...
关键词: X80 , pipeline steel , inclusion , SEM , in-situ observation , crack initiation and propagation , fracture
顾伟
物理测试
通过焊接工艺试验研究影响LPG储罐用钢 09MnNiDR焊接接头低温韧性的因素,首先对不同工艺后的焊接接头进行系列低温冲击试验,然后对不同工艺编号的冲击试样断口进行扫描电镜分析,研究了不同焊接工艺下试样断口的组织形貌特征,研究结果表明采用多层多道焊配合以较小的焊接线能量可以有效提高焊缝金属的低温韧性...
关键词: LPG储罐 , 09mnnidr , welded joints , low temperature toughness , fracture