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Microstructure and mechanical properties of (Ti,Al,Zr)N/(Ti,Al,Zr,Cr)N films on cemented carbide substrates

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文摘 (Ti,Al,Zr)N/(Ti,Al,Zr,Cr)N bilayer films were deposited on cemented carbide (WC-8%Co) substrates by multi-arc ion plating (MAIP) using two Ti-Al-Zr alloy targets and one pure Cr target. To investigate the composition, morphology, and crystalline structure of the bilayer films, a number of complementary methods of elemental and structural analysis were used, namely, scanning electron microscopy (SEM), energy disperse X-ray spectroscopy (EDS), and X-ray diffraction (XRD). Adhesive strength and mechanical properties of the films were evaluated by scratch testing and Vickers microindentation, respectively. It is shown that the resulting films have a TiN-type face-centered cubic (FCC) structure. The films exhibit fully dense, uniform, and columnar morphology. Furthermore, as the bias voltages vary from-50 to-200 V, the microhardness (max. Hv0.01 4100) and adhesive strength (max.>200 N) of the bilayer films are superior to those of the (Ti,Al,Zr)N and (Ti,Al,Zr,Cr)N monolayer films.
来源 International Journal of Minerals , Metallurgy and Materials,2014,21(1):77-81 【核心库】
DOI 10.1007/s12613-014-0868-y
关键词 nitrides ; thin films ; cemented carbides ; microstructure ; mechanical properties
地址

1. School of Mechanical Engineering, Shenyang University, Key Laboratory for Advanced Materials Preparation Technology of Liaoning Province, Shenyang, 110044  

2. School of Mechanical Engineering, Shenyang University, Shenyang, 110044  

3. Paint Shop, BMW Bril iance Automotive Ltd., Shenyang, 110143

语种 英文
文献类型 研究性论文
ISSN 1674-4799
学科 化学;金属学与金属工艺
基金 the Foundation of Education Department of Liaoning Province ;  the Foundation of Science and Technology De-partment of Liaoning Province ;  the Open Foundation of Key Laboratory for Advanced Materi-als Preparation Technology of Liaoning Province, China
文献收藏号 CSCD:5054582

参考文献 共 18 共1页

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