Microstructure of simulated coarse grain heat affected zone (CGHAZ) of Zr Microalloyed HSLA Steel are investigated using optical microscopy and transmission electron microscopy.
采用光学显微镜和透射电镜研究了锆处理对微合金钢粗晶热影响区组织的影响。
Owing to heat action during X80 pipeline steel welding the organization and performance of heat affected zone will change considerably in particular of coarse grain heat affected zone (CGHAZ).
X80管线钢在焊接过程中,热影响区由于受到焊接过程热的作用,其组织和性能会发生较大的变化,尤其是粗晶热影响区的组织和性能变化最大。
The fracture rod has cracks in the microstructure of weld zone, intergranular cracks exists in the coarse grain zone of the weld heat affected zone.
进一步比较了断裂拉杆和已经产生裂纹的拉杆焊缝区的显微组织,发现在焊缝的热影响区粗晶区存在沿晶裂纹。
The effect of the local hard zone (LHZ) distributed in the coarse grained HAZ (CGHAZ) has been analyzed by 2-dimensional FEM on a mechanical model of the weld CGHAZ.
采用二维有限元数值方法分析了焊接热影响区粗晶区(CGHAZ)中局部硬化区(LHZ)的作用。
After solution treatment, the weld grains become coarse along with a large amount of granular precipitates dispersed in weld zone and base metal zones.
经过固溶处理后,焊缝组织晶粒变大,焊缝区和母材区弥散分布着大量的颗粒状析出物。
The transformation superplasticity in welding CGHAZ (Coarse Grain Heat Affected Zone) of EH36MOD steel and its effect on fatigue life have been studied with thermal simulating method.
采用热模拟方法,对EH36MOD钢焊接热影响区粗晶区(CGHAZ)的相变超塑性及其对疲劳寿命的影响进行了研究。
The coarse primary ferrite appeared in weld metal, and coarse bainite appeared in heat-affected zone under larger heat input welding condition, which caused low...
在较大焊接热输入条件下焊接,焊缝金属产生粗大先共析铁素体、过热区产生粗大粒状贝氏体,焊接接头低温冲击韧性因此降低。
In welding test of TCS stainless steel, it was found that impact absorbing energy of heat-affected zone (HAZ) near bond line in welded joint was low. The reason is coarse grain in HAZ.
在TCS不锈钢前期焊接试验中发现其焊接接头热影响区的冲击吸收功值在熔合线附近较低,原因是接头热影响区晶粒粗大所致。
The results show that the coarse austenite grain in heat affect zone (HAZ) of Ni-base alloy is observed, mass ferrite appears in HAZ of X60 steel.
高温高压法加速腐蚀。结果表明,C4镍基合金热影响区奥氏体晶粒长大,X60钢过热区为大块铁素体组织。
The results show that the coarse austenite grain in heat affect zone (HAZ) of Ni-base alloy is observed, mass ferrite appears in HAZ of X60 steel.
高温高压法加速腐蚀。结果表明,C4镍基合金热影响区奥氏体晶粒长大,X60钢过热区为大块铁素体组织。
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