搜索结果: 1-15 共查到“金属学 properties”相关记录22条 . 查询时间(0.156 秒)
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...
Structural and dielectric properties of polycrystalline (Ba0.9Sr0.1)TiO3
Ceramics Ferroelectric Dielectric properties
2009/12/2
Purpose: This work is aimed to determination of the influence of Sr – ferroactive substitution on physical properties and character of phase transitions (PT) in barium titanate BaTiO3 (BT).
Design/me...
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...
Thermal stability of functional properties in dispersion and precipitation hardened selected copper alloys
Nanomaterials Functional materials Metallography
2009/12/2
Purpose: The objective of the study was to produce copper-based dispersion hardened materials of submicron
grain size, determination of their basic functional properties and stability in high tempera...
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...
Influence of ECAP technology on the metal structures and properties
Nanomaterials ECAP Microstructure Mechanical properties
2009/12/1
Purpose: The purpose of the paper is the verification of functionality of the ECAP technology at extrusion of the
copper, alluminium alloys, magnesium alloys and steel.
Design/methodology/approach: ...
The microstructure and mechanical properties of Ni78Ag2P20 alloy
Mechanical properties Amorphous materials Immiscibility Arc melting
2009/12/1
Purpose: The aim of the work was to investigate the influence of silver as a modifying constituent on structure
formation in Ni-P based glass forming matrix and to characterize mechanical properties ...
Microstructure and mechanical properties of high temperature creep resisting superalloy René 77 modified CoAl2O4
Alloys Nickel superalloys Grain refinement
2009/12/1
Purpose: Nickel based superalloys are widely used for turbine and stator blades of compressor in aero-engines.
The objective of this work is to determine the influence of the inoculant’s content (co...
Influence of carbide (W, Ti)C on the structure and properties of tool gradient materials
Cemented carbides Tool gradient materials Powder metallurgy
2009/12/1
Purpose: The goal of this work is to obtain the gradient materials based on the (W, Ti)C with high disproportion
of cobalt matrix portion between core and surface layer. In this work is shown the str...
Criterion for selection the optimal physical and chemical properties of cobalt aluminate powder used in investment casting process
Investment casting Nickel and cobalt based superalloys Macrostructure Modification Cobalt aluminate
2011/3/31
The aim of this work was to determine physical and chemical properties of cobalt aluminate (CoAl2O4) modifiers produced by different companies and the influence of different types of modifiers on the...
Criterion for selection the optimal physical and chemical properties of cobalt aluminate powder used in investment casting process
Investment casting Nickel and cobalt based superalloys Macrostructure Modification Cobalt aluminate
2011/3/31
The aim of this work was to determine physical and chemical properties of cobalt aluminate (CoAl2O4) modifiers produced by different companies and the influence of different types of modifiers on the...
High-temperature resistivity and thermoelectric properties of coupled substituted Ca3Co2O6
Seebeck coefficient resistivity x-ray diffraction
2010/1/19
Polycrystalline samples of Ca3−xNaxCo2−xMnxO6 (x=0.0–0.5) have been prepared by the sol-gel cum combustion method using sucrose in order to investigate the effects of the coupled substitut...
Mechanical properties of Co-based amorphous ribbons
Amorphous materials Mechanical properties Electron microscopy
2010/1/19
Purpose: The goal of this work was to investigate the influence of chemical composition and isothermal heating in order
to determine the change of the mechanical properties of the metallic ribbons by...
Mechanical and electronical properties of ZnS under pressure
Semiconductor Ab initio calculations Phase transitions
2010/2/4
Design/methodology/approach: We report ab-initio calculations of lattice constants, bulk modulus and elastic constants of the B1 (rocksalt), B3 (zincblende) and B4 (wurtzite) structures of ZnS. Ab-ini...
Microstructure and mechanical properties of friction stir butt welded dissimilar Cu/CuZn30 sheets
Welding FSW Dissimilar Cu/CuZn30 joint
2010/2/4
Purpose: The aim of the study is to show the feasibility for joining of dissimilar commercial pure copper sheet to brass (CuZn30) sheet by friction stir welding (FSW).
Design/methodology/approach: In...