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Comparison of Property of Dynamic Melting-Loss H13 Steel by Different Surface Treatment

机译：动态熔损H13钢不同表面处理性能的比较

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摘要

In order to prolong the service life of Aluminum alloy die casting dies, different surface treatments were adopted to avoid melting loss on the surface of the dies. In this paper, the dynamic melting-loss properties of H13 steel were compared among non-treatment, vapor oxidation treating, carbonitriding and composite treatment of nitirding and vapor oxidation in liquid aluminum of ADC12 at 700℃ by the weight loss method. The surface structures of the specimens after treatments were analyzed by the optical microscopy (OP); the patterns of specimens on the surface were observed by measuring microscope and the melting-loss characteristics of specimens with different treatment were analyzed. The results showed that the melting-loss property was heightened obviously by different surface treatments; especially the melting-loss property of the specimens with composite treatment of nitirding and vapor oxidation was the best.
机译：为了延长铝合金压铸模具的使用寿命，采用了不同的表面处理以避免模具表面的熔损。利用失重法，对ADC12在液态铝中700℃下未经处理，气相氧化处理，碳氮共渗以及氮化和气相氧化复合处理中H13钢的动态熔损性能进行了比较。用光学显微镜（OP）分析处理后的样品的表面结构。通过测量显微镜观察试样表面的图案，分析不同处理试样的熔损特性。结果表明，采用不同的表面处理后，熔损性能明显提高。氮化和汽化氧化复合处理的试样的熔损性能最好。

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