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in the investigation. 2 Thermal residual stress analysis 2.1 Theoretical analysis for thermal residual stress PDC obtained under high pressure and high temperature, consists of a polycrystalline diamond (PCD) layer... Thermal residual stress of polycrystalline diamond compacts CHEN Feng(陈 枫)1, XU Gen(徐 根)2, MA Chun-de(马春德)1, XU Guo-ping(徐国平)3 1. Testing Center, Central South University, Changsha......
surface morphology of AlN films was studied by atomic force microscopy (AFM) , the effect of gas pressure on crystal orientation and residual stress in AlN films was investigated by X-ray diffraction... a selective orientation in the normal of the substrate and have good selective orientation deposited at low gas pressure . Compressive residual stress are found in films and increases as gas pressure......
Effect of partial pressure of reactive gas on chromium nitride and chromium oxide deposited by arc ion plating LI Ming-sheng(李明升)1, 2, FENG Chang-jie(冯长杰)2, WANG Fu-hui(王福会)2 1. Jiangxi Key... for the attempt to prevent the peel of the coating. Key words: chromium nitride; chromium oxide; arc ion plating; reactive gas partial pressure 1 Introduction Arc ion plating (AIP) technique is one......
Preparation and dielectric properties of porous silicon nitride ceramics LI Jun-qi(李军奇), LUO Fa(罗 发), ZHU Dong-mei(朱冬梅), ZHOU Wan-cheng(周万城) State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi’an 710072, China Received 10 April 2006; accepted 25 April 2006 Abstract: Porous silicon nitride ceramics with difference volume fractions......
Experimental investigation of laser surface processing of flexure silicon nitride ceramic SUN Li1, A. P. MALSHE1, JIANG Wen-ping1, P. H. MCCLUSKEY2 1. Department of Mechanical Engineering... have significant effects on fracture behavior of flexure Si3N4 ceramic. Key words: Si3N4; silicon nitride ceramic; laser surface processing; surface integrity; flexural strength; fracture origin 1......
coefficient and air pressure drop in sinter layer are important factors for the design of sinter cooling craft. Due to the lack of necessary data, the two parameters are studied by experimental method... convection heat transfer coefficient is in the range of 400-1800 W/(m3·°C). Air pressure drop in sinter layer increases with the increase of normal superficial velocity, as well as with the rise of air......
diagram 3.3 Dripping behavior of mixed burden Dripping behavior of mixed burden include dripping temperature, dripping pressure differential and dripping ratio. Figure 7 shows the effect of sinter basicity on dipping behavior of mixed burden. With the increase of sinter basicity, the pressure differential of mixed burden floats between 2.0 kPa and 2.5 kPa and changes little. The dripping ratio......
J. Cent. South Univ. Technol. (2010) 17: 666-673 DOI: 10.1007/s11771-010-0538-9 Effect of strain hardening and strain softening on welding distortion and residual stress of A7N01-T4 aluminum alloy... changing with temperature on welding residual stress, plastic strain and welding distortion of A7N01-T4 aluminum alloy was studied by finite simulation method. The simulation results show that the weld......
with the increasing of the pressure, and the residual stress of the explosive is draw stress. Key words:residual stress; X-ray diffractive technology; plastic bonded explosive; [全文内容正在添加中] ...X-Ray Measurement of Residual Stress in Plastic Bonded Explosives Zhang Weibin1,Chen Jinghua1,Wei Xingwen1,Zhao Beijun1,Zhu Shifu1,Yong Zhihua1 (1.Department of Material Science and Engineering......