共搜索到3588条信息，每页显示10条信息，共359页。用时：0小时0分0秒318毫秒
Numerical modeling and experimental validation of microstructure in gray cast ironMasoud Jabbari1,Parviz Davami2,Naser Varahram21. Department of Mechanical Engineering,Technical University of Denmark... of different phases in gray cast iron by a finite difference model(FDM) on the basis of cooling rate(R),the volume fractions of total γ phase,graphite,and cementite were calculated.The results of phase......
Solid-particle erosion behavior of cast alloys used in the mining industry?.Hakan Atapek1,Sinan Fidan21. Metallurgical and Materials Engineering, Kocaeli University2. School of Civil Aviation, Kocaeli University摘 要:The erosive-wear response of five commercial ferrous-based cast alloys used for crushing was examined in this study. The microstructures......
Characterization and wear behavior of WC-0.8Co coating on cast steel rolls by electro-spark depositionJian-sheng Wang, Hui-min Meng, Hong-ying Yu, Zi-shuan Fan, and Dong-bai Sun School of Materials..., electro-spark deposition was adopted for depositing an electrode of a mixture of 92wt%WC+8wt%Co on a cast steel roll substrate. The coating was characterized by classical X-ray diffractometer (XRD......
Numerical study of macrosegregation formation of ingot cast in normal sand mold and water-cooled sand moldDongrong LIU 1,2),Xiuhong KANG 1)*,Baoguang SANG 1) and Dianzhong LI 1) 1) Institute of Metal..." name="ChDivSummary">Formation of macrosegregation of 5 t steel ingots cast in sand molds with and without water-cooled copper tube is simulated by solving macroscopic mass,momentum,species and energy......
......
Trans. Nonferrous Met. Soc. China 20(2010) s1042-s1047 Semi-solid moulding: Competition to cast and machine from forging in making automotive complex components Q. ZHU1, S. P... Components Inc, developed SSM compressor wheels as a way of achieving cost and durability performance somewhere between that of cast and machined from solid (MFS) aluminium alloy wheels. Experimental results......
Study on the Thermal Fatigue Behavior of Hot Deformed Wear Resistance Cast Iron and Effect of Carbide董丽涛,刘荣昌,李兴元,陈秀宏摘 要:The thermal fatigue behavior of wear resistance cast iron with different quantity of deformation has been investigated. The results show that eutectic carbide is the main location and passage for initiation and extension of thermal......
Effect of Ni on Sintering Characteristics of Short Cast Iron Fibre李东春,田永君,陈世镇,于栋利,何巨龙摘 要:<正> Nickel,as the carrier through which Fe atomsdiffuse,obviously enhances the densification ofsintered compact containing short cast iron fibre.When Ni content is above 4.5 wt-% there are someaustenites in microstructure at room temperature,discontinuous......
Novel Reduced-friction Materials by Laser Cladding of Copper Alloy on Cast IronXichen YANG Milin ZHONG Tianxi ZHENG Naikun ZHANG Laser Processing Lab.,Tianjin Institute of Textile Science and Technology,Tianjin,300160,China摘 要:<正> Copper alloys suitable for laser cladding on cast iron are selected trom rune types of conventionalpowders......
Effects of Rare Earths on Toughness of 31Mn2SiRE Wear- Resistance Cast Steel谢敬佩,王爱琴,王文焱,李继文,李洛利摘 要:<正>The toughness of 31Mn2SiRE wear-resistance cast steel were increased by means of RE compound modification and high temperature austenitizing. The results show that the microstructures can be refined, needle and network ferrite are eliminated......
