Lei Gao, ChunGuo Xu, XueYuan Ge, QiPeng Hu, XiangLong Wang, Yuan Meng, ShiTeng Lu, Bo Liu
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引用次数: 0
摘要
通过热等静压粉末-固体扩散结合工艺成功制备了 PM23 粉末钢和 H13 热作模具钢及 9Cr2Mo 冷作模具钢双金属复合材料部件。利用扫描电镜和 EBSD 技术研究了 H13-PM23 和 9Cr2Mo-PM23 双金属的界面行为；利用万能试验机评估了两种双金属的力学性能。结果表明，元素扩散发生在界面结合区域，在 9Cr2Mo-PM23 双金属中观察到明显的脱碳层，其表面富含小的棒状和点状 MC 和 MC 碳化物。
Study on microstructure and properties between alloy steel and powder steel via hot isostatic pressing diffusion bonding
PM23 powder steel and H13 hot working die steel and 9Cr2Mo cold working die steel bimetallic composite components were successfully prepared by hot isostatic pressing powder-solid diffusion bonding process. The interfacial behavior of H13-PM23 and 9Cr2Mo-PM23 bimetals was studied by SEM and EBSD techniques; the mechanical properties of the two bimetals were evaluated by universal testing machine. The results indicated that the element diffusion occurred in the interfacial bonding region, and an obvious decarburized layer was observed in the 9Cr2Mo-PM23 bimetals, whose surface was enriched with small rod-like and dot-like MC and MC carbides.
期刊介绍：
Materials Today Communications is a primary research journal covering all areas of materials science. The journal offers the materials community an innovative, efficient and flexible route for the publication of original research which has not found the right home on first submission.
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