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通过化学成分、金相组织检测,对GCr15钢栓塞裂纹进行了分析。结果表明:栓塞轴在碳化物液析、带状组织缺陷共同作用下产生了淬火裂纹。
By chemical composition, microstructure testing, GCr15 steel embolism crack was analyzed. The results show that the embolization axis produces quench cracks under the combined effect of carbides and band defects.