Different types of cracks appear during the LF6 alloy flow turning at room temperature. Combining the theoretical analysis results, the reasons of producing cracks were explained in detail.
针对LF 6合金筒形件室温下反旋成形时出现过几种不同类型的开裂现象，结合理论分析结果，对各种裂纹的产生原因给出详细的解释。
The failure mechanism of cemented carbide for mining is discussed. Based on the theoretical analysis, different cemented carbides fabricated by Golden Egret Special Alloy Co.
本文论述了凿岩用硬质合金的失效机理，在理论分析的基础上，研究开发出了适用于不同岩层的各种凿岩用硬质合金牌号。
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