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多弧离子镀TiAlZrCr/(Ti,Al, Zr, Cr)N梯度膜的微观结构与耐磨损性能
MICROSTRUCTURE AND WEAR RESISTANCE OF TiAlZrCr/(Ti,Al,Zr, Cr)N GRADIENT FILMS DEPOSITED BY MULTI-ARC ION PLATING

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赵时璐 1 *   张震 2   张钧 1   王建明 1   张正贵 1  
文摘 釆用多弧离子镀技术,使用Ti-Al-Zr合金靶及Cr单质靶的组合方式,在W18Cr4V高速钢基体上制备TiAlZrCr/(Ti, Al, Zr,Cr)N四元梯度氮化物膜.利用SEM和XRD分析梯度膜的微观组织和结构,使用摩擦磨损试验机研究梯度膜在室温(15℃)和高温(500 ℃)下的耐磨损特性,并采用SEM观察磨痕形貌.结果表明,在不同沉积偏压下制备的四元梯度膜均具有fcc-NaCl型的TiN结构,其组织致密均匀,呈典型的柱状晶形态.梯度膜的摩擦磨损机理是以塑性变形为主要特征的黏着磨损,并伴有轻微的磨粒磨损.在室温和高温下磨损时的平均摩擦系数分别在0.25~0.30和0.30~0.35之间,且当沉积偏压增加至-200 V时,梯度膜的耐磨损性能实现最优化.
其他语种文摘 Nowadays, 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 ℃) and elevated (500 ℃) 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 0.25~0.30 at ambient temperature and 0.30~ 0.35 at elevated temperature, respectively. Finally, the best wear resistance was achieved when the bias voltage increased to -200 V.
来源 金属学报 ,2016,52(6):747-754 【核心库】
DOI 10.11900/0412.1961.2015.00522
关键词 TiAlZrCr/(Ti, Al, Zr, Cr)N梯度膜 ; 多弧离子镀 ; 偏压 ; 显微结构 ; 耐磨损性能
地址

1. 沈阳大学机械工程学院, 沈阳, 110044  

2. 华晨宝马汽车有限公司, 沈阳, 110143

语种 中文
文献类型 研究性论文
ISSN 0412-1961
学科 金属学与金属工艺
基金 辽宁省自然科学基金 ;  辽宁省沈阳市科技计划项目 ;  沈阳永源光辉机械厂横向项目
文献收藏号 CSCD:5720184

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引证文献 2

1 付颖 钛合金表面耐磨涂层研究进展 中国腐蚀与防护学报,2018,38(2):117-123
被引 10

2 杨莎莎 N掺杂对磁控溅射Ta涂层微观结构与耐磨损性能的影响 金属学报,2019,55(3):308-316
被引 6

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