搜索结果: 1-15 共查到“知识库 材料科学基础学科 Structure”相关记录49条 . 查询时间(0.065 秒)
Carbon nanocones: wall structure and morphology
nanocarbon electron microscopy electron diffraction
2009/12/31
Large-scale production of conical carbon nanostructures is possible through pyrolysis of hydrocarbons in a plasma torch process. The resulting carbon cones occur in five distinctly different forms, an...
Influence of electromagnetic field on pure metals and alloys structure
Casting Aluminium Cast iron
2009/12/14
Purpose: The first aim of investigations was the reduction of grain size and unification of structure for pure Al casting by introduction of small amount of inoculant (less than obligatory standard PN...
Structure and mechanical properties of Mg-Si alloys at elevated temperatures
Mechanical properties Magnesium alloys Tensile test at elevated temperatures
2009/12/14
Purpose: of this paper is to extend a complex evaluation of magnesium alloys which requires very often knowledge of structure and mechanical properties at elevated temperatures. These properties are c...
Structure and properties of ceramic preforms based on Al2O3 particles
Composites Ceramic preforms TGA analysis
2009/12/14
Purpose: The main goal of this project is to elaborate and optimize the method of manufacturing the porous, ceramic preforms based on Al2O3 particles used as the reinforcement in order to produce mode...
Effect of the sintering parameters on structure of the gradient tool materials
Powder metallurgy FGM Tool materials SEM
2009/12/14
Purpose: The purpose of this work was to obtain gradient tool materials, based on the unalloyed steel reinforced with HS6-5-2 high-speed steel, through using the conventional powder metallurgy method ...
The influence of the temperature of plastic deformation on the structure and mechanical properties of copper alloys CuCo2Be and CuCo1Ni1Be
Metallic alloys Copper alloy Plastic instability Portevin–Le Chatelier effect
2009/12/3
Purpose: The aim of the paper is to determine the influence of temperature of plastic deformation on the structure and mechanical properties of copper alloy of the CuCo2Be and CuCo1Ni1Be during a tens...
Structure of TiBN coatings deposited onto cemented carbides and sialon tool ceramics
Tool materials Thin & Thick coatings Sialon
2009/12/3
Purpose: The aim of this paper was investigated structure of sintered carbides WC-Co type and sialon tool ceramics with wear resistance ternary coatings TiBN type deposited by cathodes arc evaporation...
The effect of the cold rolling on the structure and mechanical properties in austenitic stainless steels type 18-8
Metallic alloys Austenitic stainless chromium-nickel steel Plastic deformation
2009/12/3
Purpose: In this paper the effect of the cold rolling on the transformation of austenitic stainless steel type X5CrNi18-10 to martensite was studied as a function of rolling reduction.
Design/methodo...
The influence of the martensite α’ phase occurring in the structure of cold rolled austenitic Cr-Ni steel on its mechanical properties
Metallic alloys Austenitic stainless steel Plastic deformation
2009/12/3
Purpose: In this paper the mechanical properties and structure of cold rolled austenitic stainless steel X5CrNi18-8
with a draft of 17%-78% were presented.
Design/methodology/approach: The main meth...
Influence of plastic deformation on structure and mechanical properties of stainless steel type X5CrNi18-10
Metallic alloys Austenitic stainless chromium-nickel steel Plastic deformation
2009/12/2
Purpose: The paper analyzes the influence of the degree of cold deformation on the structure and mechanical
properties of austenitic stainless steel X5CrNi18-10.
Design/methodology/approach: The ...
The structure and properties of steel with different pearlite morphology and its resistance to abrasive wear
Abrasive wear Block sections Switch Pearlite morphology Isothermal annealing
2009/12/2
Purpose: The analyse of pearlite morphology changes as a result of hot rolling process and isothermal annealing.
Design/methodology/approach: Physical modelling of isothermal annealing for a transiti...
Structure and properties of Al67Ti25Fe8 alloy obtained by mechanical alloying
Metallic alloys Mechanical alloying Powder metallurgy
2009/12/2
Purpose: The goal of this work is to investigate structure and properties of powdersAl67Ti25Fe8 alloys obtained
by mechanical alloying.
Design/methodology/approach: The powders of the Al67Ti25Fe8 al...
Mössbauer and structure studies on metallic powders from Fe-Al-X (X = Ni, Cu, Cr)
Metallic alloys Iron aluminides Mö ssbauer spectroscopy
2009/12/2
Purpose: The Fe-Al-X and Fe-Al-Ni-X metallic powders produced by the self-decomposition process and then
intensive grinding in an electro-magneto-mechanical mill with X = Fe, Ni, Cu, Cr additions was...
The structure of FeAl and Fe3Al-5%Cr intermetallic phase - based alloys after hot deformation processes
Metallic alloys Flow curve Substructure Recrystallization
2009/12/2
Purpose: The major problem restricting universal employment of intermetallic phase base alloy is their low
plasticity which leads to hampering their development as construction materials. The followi...
Structure and properties of barium ferrite powders prepared by milling and annealing
X-ray phase analysis R-VSM High-energy ball milling Barium ferrite
2009/12/1
Purpose: Microstructure and magnetic properties analysis of barium ferrite powder obtained by milling and
heat treatment
Design/methodology/approach: The milling process was carried out in a vibrato...