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,其韧性比高速钢的略低,但比陶瓷,立方氮化硼和金刚石等高得多,这就决定硬质合金在刀具行业中不可替代的地位.刀具用材料一般为YW系列硬质合金,该类硬质合金与YT类硬质合金相比,其抗弯强度(显著增加刀刃强度),疲劳强度,冲击韧性,耐热性,高温力学性能和抗氧化能力以及其耐磨性提高了,其抗月牙洼磨损和抗后刀面磨损能力增加了.特别是近些年来随着PVD和CVD涂层技术的发展成熟[16-20],硬质合金越来越显..., SCHLEINKOFER U, HEINRICH W, GORTING K. Mechanical behaviour of PVD- and CVD-coated hard metals under cyclic loads[J]. International Journal of Refractory Metals & Hard Materials, 1999, 17......
and wear resistance [3-5]. Strategies that have been investigated to address this obstacle include chemical conversion, anodization, electroless plating, PVD, laser cladding and so on [6-15]. Amongst......
or chemical vapor deposition (PVD, CVD) [7,8], ion implantation [9], thermal oxidation [10], magnetron sputtering techniques [11] and laser cladding [12], have achieved good results. However, these methods......
. Velocity effects on erosion-corrosion of CrN/NbN "superlattice" PVD coatings [J]. Surface and Coatings Technology, 2006, 201(1-2): 361-370. [30] STACK M M, CHACON-NAVA J, STOTT F H. Relationship......
A, SALVADOR PA. Architecture of PVD coatings for metal cutting applications: A review[J]. Surface and Coatings Technology, 2014, 257: 138-153. [4] 石永敬, 潘复生, 王维青, 杨世才, 龙思远, 朱光俊. 溅射沉积铝合金基 CrTiAlN 涂层的结构,力学以及摩擦学特性......
, LAKHDAR B, et al. On the application of response surface methodology for predicting and optimizing surface roughness and cutting forces in hard turning by PVD coated insert[J]. International Journal......
合金结构材料已受到越来越多的限制,加之全球降低能源消耗和减少环境污染战略思想的不断深入,各国科技工作者试图逐渐把精力投向铝合金的表面改性方面.目前,已采用渗碳,渗氮,喷涂,微弧氧化,电镀,离子镀,物理气相沉积(PVD),化学气相沉积(CVD),离子注入,等离子体浸没离子注入与沉积(PIIID)等不同表面改性方法在铝合金工程零部件表面制备了多种类型功能薄膜或涂层[8-13].然而,这些方法普遍存在着......
deposition (PVD) and diffusion bonding processes [14-19]. One of the recent processes used for laminated composite fabrication is equal channel angular pressing [19,20]. The aim of current work was to study......
with point and line contact machines [J]. Journal of Basic Engineering, 1965, 87(3): 754-759. [6] MOHRBACHER H, BLANPAIN B, CELIS J P, ROOS J R. The influence of humidity on the fretting behaviour of PVD......
), physical vapor deposition (PVD), ion implantation and laser nitriding [8,9]). Plasma electrolytic oxidation (PEO) which is also called micro-arc oxidation [1,10,11] is a relatively new surface......