搜索结果: 1-10 共查到“材料科学基础学科 A study”相关记录10条 . 查询时间(0.156 秒)
FEM study of extrusion complexity and dead metal zone
Cold extrusion Solid profiles Shape complexity
2009/12/3
Purpose: Quality of the extruded product and efficiency of the manufacturing process can be seriously affected by inconsistent metal flow through the extrusion die. Metal flow problems can also signif...
Study of phase transition specific in polycrystalline Pb(Cd1/3Nb1/3)O3
Ceramics Electrical properties Phase transition
2009/12/2
Purpose: of this paper was to isolate and attempt to identify experimentally specific features of paraelectric
diffused phase of Pb(Cd1/3Nb2/3)O3 (PCN) not reported yet in the literature.
Design/...
State of the art of metal reoxidation study of iron castings
Metallic alloys Metal reoxidation Oxygen activity measurement
2009/12/1
Purpose: Metal reoxidation causes a number of iron castings defects, particularly when pouring them in greensand
moulds. One of them is pinholes the occurrence of which is explained by several hypoth...
Purpose: The aim of this work is to present the results of the study of the local structure of iron nanoparticles
with oxide shell which uses EXAFS method that apply synchrotronic radiation.
Design/...
Numerical study of deformation characteristics in plane strain compression test (PSCT) volume certified following microstructure
Plane Strain Compression Test (PSCT) finite element method AISI 304
2009/10/23
Thermal and mechanical parameters of forming and the process of microstructure development should be brought as close to real-world conditions as possible. The plane strain compression test and subseq...
Study of surface tension of inorganic melts based on their chemical composition and temperature
surface tension oxidic melts slags
2009/10/23
The paper deals with the investigation of selected physical - chemical properties of inorganic melts with respect to behavior of surfaces. An explorational approach was applied in order to acquire ori...
A study of microstructure and phase transformations of CMnAlSi TRIP steel
Heat treatment Automotive steel TRIP microstructure
2010/1/19
Purpose: Purpose was to obtain the TRIP-type microstructure in the CMnAlSi steel. Heat treatment consisted
of the partial austenitization at 900°C/60s and continuous cooling with rates: 0.5-40°C/s, w...
Electronic structures of one-dimensional poly-fused selenophene radical cations:density functional theory study
fused selenophene conjugated oligomer molecular design DFT PBC
2010/10/12
Hybrid density functional theory (DFT) calculations have been carried out for neutral and
radical cation species of a fused selenophene oligomer, denoted by Se(n), where n represents
the number of s...
Purpose: Cannon is one of the most usage parts in military industries and analysis of its pipe is very important. Therefore, the prediction of its longevity to say, the number of cannon ball that can ...
FMR study of magnetic nanoparticles embedded in non-magnetic matrix
Metallic alloys Nanoparticles Magnetic materials
2010/2/10
Purpose: The aim of this review is recapitulating the FMR study of low concentration of magnetic nanoparticles in non-magnetic matrices.Design/methodology/approach: Magnetic nanoparticles exhibit a va...