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MICROSTRUCTURE AND WEAR RESISTANCE OF TiAlZrCr/(Ti, Al, Zr, Cr)N GRADIENT FILMS DEPOSITED BY MULTI-ARC ION PLATING
Alternative TitleMICROSTRUCTURE AND WEAR RESISTANCE OF TiAlZrCr/(Ti,Al,Zr, Cr)N GRADIENT FILMS DEPOSITED BY MULTI-ARC ION PLATING
Zhao Shilu1; Zhang Zhen2; Zhang Jun1; Wang Jianming1; Zhang Zhenggui1
2016
Source PublicationACTA METALLURGICA SINICA
ISSN0412-1961
Volume52Issue:6Pages:747-754
AbstractNowadays, the cutting tools are exposed to much more severe operating conditions, i.e. high cutting speed, high feed rate, aggressive mechanical and thermal loading. As a result, the existing hard films have frequently encountered wear-related failures. Such situation requires the new generation hard films concurrently displaying superior hardness, excellent adhesive strength and outstanding wear resistance. Previous studies have demonstrated some promising mechanical properties (hardness and adhesion strength) of TiAlZrCr/(Ti, Al, Zr, Cr)N quaternary gradient films as compared to those of the (Ti, Al)N binary and (Ti, Al, Zr)N or (Ti, Al, Cr)N trinary nitride films. However, the research on wear resistance of hard films under the conditions of high speed and dry friction has been seldom reported. In this work, using combined Ti-Al-Zr alloy and pure Cr targets, TiAlZrCr/(Ti, Al, Zr, Cr)N quaternary nitride films were deposited on high speed steel W18Cr4V substrates by multi-arc ion plating (MAIP) process at various bias voltages of -50, -100, -150 and -200 V. Surface morphology and crystalline structure of the gradient films were analyzed by SEM and XRD. Wear resistance of the films was evaluated by abrasion tester at both ambient (15 degrees C) and elevated (500 degrees C) temperatures. The worn surface morphology was then investigated by SEM. The results show that the deposited TiAlZrCr/(Ti, Al, Zr, Cr)N quaternary nitride films exhibited TiN-type (fcc-NaCl type) structure. The films have uniform and dense columnar morphologies. Furthermore, it was confirmed that the primary wear mechanism was adhesive wear (caused by plastic deformation) accompanied by a slight abrasion. The average values of friction coefficient varied at 0.25 similar to 0.30 at ambient temperature and 0.30 similar to 0.35 at elevated temperature, respectively. Finally, the best wear resistance was achieved when the bias voltage increased to -200 V.
KeywordMECHANICAL-PROPERTIES OXIDATION RESISTANCE N FILMS PERFORMANCE COATINGS BEHAVIOR CRALSIN TC4 TiAlZrCr/(Ti, Al, Zr, Cr)N gradient film multi- arc ion plating bias voltage microstructure wear resistance
Indexed ByCSCD
Language英语
Funding Project[Natural Science Foundation of Liaoning Province] ; [Shenyang Science and Technology Plan Project] ; [Shenyang Yongyuan Guanghui Machinery Factory Transverse Project]
CSCD IDCSCD:5720184
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Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/148594
Collection中国科学院金属研究所
Affiliation1.沈阳大学
2.中国科学院金属研究所
Recommended Citation
GB/T 7714
Zhao Shilu,Zhang Zhen,Zhang Jun,et al. MICROSTRUCTURE AND WEAR RESISTANCE OF TiAlZrCr/(Ti, Al, Zr, Cr)N GRADIENT FILMS DEPOSITED BY MULTI-ARC ION PLATING[J]. ACTA METALLURGICA SINICA,2016,52(6):747-754.
APA Zhao Shilu,Zhang Zhen,Zhang Jun,Wang Jianming,&Zhang Zhenggui.(2016).MICROSTRUCTURE AND WEAR RESISTANCE OF TiAlZrCr/(Ti, Al, Zr, Cr)N GRADIENT FILMS DEPOSITED BY MULTI-ARC ION PLATING.ACTA METALLURGICA SINICA,52(6),747-754.
MLA Zhao Shilu,et al."MICROSTRUCTURE AND WEAR RESISTANCE OF TiAlZrCr/(Ti, Al, Zr, Cr)N GRADIENT FILMS DEPOSITED BY MULTI-ARC ION PLATING".ACTA METALLURGICA SINICA 52.6(2016):747-754.
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