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The hydro-abrasive erosion wear behavior of duplex-treated surfaces of AISI H13 tool steel

Science China(Technological Sciences) 2014年第5期57卷 1040-1051页

作者： TUTAR Mumin AYDIN Hakan DURMUS Ali BAYRAM Ali yigit kurtulus Department of Mechanical Engineering Faculty of Engineering and Architecture Uludag University

The influence of duplex surface treatments consisting of a DC-pulsed plasma nitriding process and subsequent coatings of CrN and TiAlN deposited by physical vapor deposition(PVD)on AISI H13 tool steel was studied in this *** treated samples were characterized using metallographic techniques,SEM,EDS,and microhardness ***-abrasive erosion wear tests were performed in a specifically designed wear tester in which the samples were rotated in a wear tank containing a mixture of distilled water and ceramic abrasive chips with a fixed rotational *** wear rates caused by the abrasive particle impacts were assessed based on accumulated weight loss *** worn surfaces were also characterized using optical microscopy,SEM,and *** measurements indicated a significant increase in the surface hardness of the duplex-treated *** surfaces of the samples with the TiAlN coating were approximately 15 times harder than that of the untreated samples and 3 times that of the plasma nitrided ***-abrasive erosion wear results showed that the duplex surface treatments,especially the CrN coating,displayed the highest erosion wear resistance.

关键词： plasma nitriding physical vapor deposition duplex surface treatment microhardness hydro-abrasive erosion wear

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