材料期刊网

1. 首页
2. 检索结果页

原词结果 | 译词结果

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

Finite-Element Simulation and Experimental Research of the Hot-Press Sintering of Nano-Sized Ceramic Powders

Guoqing CHEN , Kaifeng ZHANG , Guofeng WANG , Y , ong YU

材料科学技术（英文）

Numerical simulation of hot-press sintering of nano-sized ceramic powders was introduced by the commercial finite element code MSC.MARC. The powder plastic model and the thermo-mechanical coupled quadrilateral element were developed and adopted in the simulation. The mechanical and thermal propertie...

关键词: Sintering , null , null , null

Superplastic Forming and Diffusion Bonding for Sandwich Structure of Ti-6Al-4V Alloy

Wenbo HAN , Kaifeng ZHANG , Guofeng WANG , Xiaojun ZHANG

材料科学技术（英文）

Superplastic forming and diffusion bonding (SPF/DB) is a well-established process for the manufacture of components almost exclusively from Ti-6Al-4V sheet material. The sandwich structure of Ti-6Al-4V alloy is investigated. The effects of the microstructure on the SPF/DB process were discussed. The...

关键词: Superplastic forming , null , null , null

Microstructural and Microhardness Variation of Amorphous Fe78Si9B13 Alloy during Bend Stress Relaxation

Xifeng LI , Kaifeng ZHANG , Changli WANG , Wenbo HAN , Guofeng WANG

材料科学技术（英文）

The amorphous Fe78Si9B13 ribbons were bend stress relaxed at various temperature well below the crystallization temperature (Tx) for different time. The effect of pre-annealing on the subsequent bend stress relaxation was examined. The variation of the microstructure and microhardness during bend st...

关键词: Bend stress relaxation , null , null , null

Cavitation Behavior during Superplastic Deformation of AZ31 Magnesium Alloy

Kaifeng ZHANG , Deliang YIN , Guofeng WANG , Wenbo HAN

材料科学技术（英文）

Superplasticity of AZ31 Mg alloy at the temperature range of 250~450℃ and stain rate range of 0.7×10-3~1.4×10-1 s-1 was examined through uniaxial tensile test. Optical microscopy (OM) and scanning electron microscopy (SEM) were employed to investigate the morphology of cavities and surface relief ne...

关键词: AZ31 magnesium alloy , null , null , null

Nanoscale Morphology in Tensile Fracture of a Brittle Amorphous Ribbon

Xifeng LI , Kaifeng ZHANG , Guofeng WANG

材料科学技术（英文）

The paper reports on the observation of nanoscale morphology on the tensile fracture surface of a brittle amorphous Fe-based ribbon. The formation of nanoscale damage cavity structure is a main characteristic morphology on the fracture surfaces. Approaching the ribbon boundary, these damage cavities...

关键词: Nanoscale periodic corrugation , 断裂空洞 , 拉伸断裂

出版年份

刊物分类

相关作者

相关热词