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Application of inverse method to estimation of boundary conditions during investment casting simulation

金属学报(英文版) doi:10.1016/S1006-7191(08)60119-2

Inverse method was used in single crystal superalloy DD6 processing simulation during solidification. Numerical modeling coupled with experiments has been used to estimate the interface heat transfer coefficient (IHTC) between the surface of slab casting and inner mold. Calculated temperature depend...

关键词: Numerical simulation , Single crystal , Inverse method , Boundary conditions

Numerical Simulation of Stress and Deformation for a Duplex Stainless Steel Impeller during Casting and Heat Treatment Processes

Lugui CHEN , Yong LING , Xiuhong KANG , Lijun XIA , Dianzhong LI

材料科学技术（英文）

A large-scale, thin wall duplex stainless steel impeller with complex geometry was deformed severely and unpredictably during casting and heat treatment processes resulted in dimensional failure for the final part. In this paper, the distortion of the impeller during casting and heat treatment was c...

关键词: Numerical simulation , null , null , null , null

Numerical Simulation of Superplastic Forming and Diffusion Bonding of Ti Alloys

Kaifeng ZHANG , Wenbo HAN , Wei WU , Guofeng WANG , Dezhong WU

材料科学技术（英文）

The research on numerical simulation for combinative process of SPF/DB is carried out in this paper. The contacting problem of sheets is analyzed by using the penalty method. In order to solve the contact problem of different parts of the sheet, a new algorithm for contacting judgment is proposed. A...

关键词: Numerical simulation , null , null , null

Numerical Simulation of Powder Injection Molding Filling Process Based on ANSYS

Zhoushun ZHENG , Xuanhui QU , Yunping LI , Jianfeng GUO

材料科学技术（英文）

A mathematical model of two-dimensional flows of PIM derived from the momentum, continuity equations and the heat transfer equation is obtained. The formula of calculating the flow conductance and the pressure equation are deduced when the no slip boundary condition is employed at the wall, and the ...

关键词: Numerical simulation , null , null , null

Numerical Simulation of Brazing TiC Cermet to Iron with TiZrNiCu Filler Metal

Lixia ZHANG , Jicai FENG

材料科学技术（英文）

The maximum thermal stress and stress concentration zones of iron/TiC cermet joint during cooling were studied in this paper. The results showed that the shear stress on iron/TiC cermet joint concentrates on the interface tip and the maximum shear stress appears on the left tip of iron/TiZrNiCu inte...

关键词: Numerical simulation , null , null , null

Experimental and Numerical Investigation on Impact Performance of Carbon Reinforced Aluminum Laminates

S.H. Song Y.S. Byun T.W. Ku W.J. Song J. Kim B.S. Kang

材料科学技术（英文）

It is known that fiber metal laminates (FML) as one of hybrid materials with thin metal sheets and fiber/epoxy layers have the characteristics of the excellent damage tolerance, fatigue and impact properties with a relatively low density. Therefore, the mechanical components using FML can contribute...

关键词: Fiber metal laminates (FML) , Carbon reinforced aluminum laminates (CARAL) , Numerical simulation , Impact performance

Numerical Simulation of Thermal Stress Fields in the Magnetic Quenching Process of 45 Steel

Ziliang LI , Junruo CHEN , Miao ZHANG , Yihong GUAN

材料科学技术（英文）

Based on a transient temperature distribution of a 45 steel cylinder workpiece during magnetic quenching, which was obtained by solving the governing equations with nonlinear boundary on the condition of coupling effects of heat-magnetism. According to the theory of thermal non-elasticity, computati...

关键词: Numerical simulation , null , null , null

Numerical Simulation of Solidification of Work Roll in Centrifugal Casting Process

Nannan Song

材料科学技术（英文）

A program on the solidification process of horizontal centrifugal casting coupled with eutectic carbides segregation has been developed in this paper. Due to the geometrical features of work roll, a cylindrical coordinate system was used. The temperature field of the outer layer at the end of fillin...

关键词: Numerical simulation

Numerical Simulation of Microporosity Evolution of Aluminum Alloy Castings

Shuyong DONG , Shoumei XIONG , Baicheng LIU

材料科学技术（英文）

A mathematical model to calculate the size and distribution of microporosities was studied and coupled with a stochastic microstructure evolution model. The model incorporates various solidification phenomena such as grain structure evolution, solidification shrinkage, interdendritic fluid flow and ...

关键词: Numerical simulation , null , null

Numerical Simulation of the Stress and Distortion of the Fiberglass-Reinforced Plastics Crust-Stainless Steel Liner Compound Conduit

Hongyuan FANG , Chenglei FAN , Jianguo YANG , Ming LI , Zhen LUO , Xianzhong HOU

材料科学技术（英文）

A new type of compound conduit is designed and the finite element method (FEM) is applied to analyze the mechanical performance of a typical compound conduit. The results of the numerical simulation confirm that the distributions of the strain, stress and the flexure distortion of the conduit are re...

关键词: Compound conduit , null , null , null

材料期刊网

Application of inverse method to estimation of boundary conditions during investment casting simulation

Numerical Simulation of Stress and Deformation for a Duplex Stainless Steel Impeller during Casting and Heat Treatment Processes

Numerical Simulation of Superplastic Forming and Diffusion Bonding of Ti Alloys

Numerical Simulation of Powder Injection Molding Filling Process Based on ANSYS

Numerical Simulation of Brazing TiC Cermet to Iron with TiZrNiCu Filler Metal

Experimental and Numerical Investigation on Impact Performance of Carbon Reinforced Aluminum Laminates

Numerical Simulation of Thermal Stress Fields in the Magnetic Quenching Process of 45 Steel

Numerical Simulation of Solidification of Work Roll in Centrifugal Casting Process

Numerical Simulation of Microporosity Evolution of Aluminum Alloy Castings

Numerical Simulation of the Stress and Distortion of the Fiberglass-Reinforced Plastics Crust-Stainless Steel Liner Compound Conduit

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