搜索结果: 1-15 共查到“金属材料 microstructure”相关记录48条 . 查询时间(0.078 秒)
Thermal analysis and microstructure of master alloys used for modification of silumins
Calorimetric analysis Enthalpy of melting and solidification Hypereutectic silumins
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2011/3/31
The study presents the technological backgrounds of the process of melting and casting Al-Co, Al-Ni, and Al-Ti master alloys, used as refiners of the microstructure of cast silumins. Basing on the an...
Thermal analysis and microstructure of master alloys used for modification of silumins
Calorimetric analysis Enthalpy of melting and solidification Hypereutectic silumins
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2011/3/31
The study presents the technological backgrounds of the process of melting and casting Al-Co, Al-Ni, and Al-Ti master alloys, used as refiners of the microstructure of cast silumins. Basing on the an...
Cooling rate influence on microstructure of the Zn-Al cast alloy
Metallic alloys Derivative thermo analysis Zn-Al alloy Microstructure
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2010/8/17
Properties of cast zinc alloys are comparable to these of aluminium alloys. Differences are connected to a lower melting temperature and bigger density. Zinc has a density of 7.14g/cm3, melting temper...
The microstructure and properties of the bainitic cast steel for scissors crossovers
The microstructure and properties of the bainitic cast steel for scissors crossovers
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2010/8/12
On 23.07.1996 the European Parliament and the Council issued a Decision No 1692/96 to upgrade the trans-European conventional rail network to be equipped for speeds up to 200 km/h with an axle load no...
Microstructure evolution in CRCS processed strips of CuCr0,6 alloy
Microstructure evolution CRCS strips
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2010/8/12
Several different methods have been proposed to produce ultra fine grained (UFG) or nano-structured (NS) materials by imposing severe plastic deformation (SPD). Semi products produced by SPD are of gr...
Derivative thermo-analysis application to assess the cooling rate influence on the microstructure of Al-Si alloy cast
thermo-analysis assess cooling rate microstructure Al-Si alloy cast
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2010/8/12
Copper and magnesium addition enable to perform precipitation hardening of the multicomponent aluminium alloys with silicon, by precipitation of the Al2Cu or Mg2Si phase particles. However copper addi...
The influence of initial plastic deformation on microstructure and hot plasticity of α+β titanium alloys
Titanium alloys Thermomechanical process Hot deformation Heat treatment β-solution
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2010/8/17
Two phase titanium alloys most often are hot deformed, mainly by open die or die forging. Achievement of desired mechanical properties is related to development of proper microstructure in plastic wor...
The effect of (γ → α′) phase transformation on microstructure and properties of austenitic Cr-Ni steels
Austenitic Cr-Ni steel Plastic deformation Induced martensite Structural and mechanical behaviour Magnetic measurements
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2010/8/17
Metals and their alloys, mainly steels, belong to the most ecological and future constructional materials. The large demand for steel products is especially distinct in various industrial branches. Th...
Microstructure and properties of α + β brass after ECAP processing
ECAP Severe plastic deformation Ultra-fine grained materials
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2010/1/11
Purpose of this paper is to determine the effect of Equal Channel Angular Pressing (ECAP) processing on the microstructure and hardness of α+β brasses. The effect of deformation temperature an...
Microstructure analysis of the modified casting magnesium alloys after heat and laser treatment
Magnesium alloys Heat treatment Laser treatment
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2009/12/14
Purpose: In this paper there is presented the structure of the modeling cast magnesium alloy EN-MCMgAl6Zn1 as cast state, after heat treatment and laser treatment.
Design/methodology/approach: The pr...
Microstructure, properties investigations and methodology of the state evaluation of T23 (2.25Cr-0.3Mo-1.6W-V-Nb) steel in boilers application
Steel T23 Structure Creep
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2009/12/14
Purpose: The purpose of the paper is to work out the classification of the structure’s changes and the development of precipitation processes and the internal damages related to the exhaust degree of ...
The influence of the heat treatment on the microstructure and properties of Mg-Al-Zn based alloys
Heat Treatment Metallography Magnesium alloys
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2009/12/3
Purpose: In the following paper there have been the structure and properties of the MCMgAl12Zn1, MCMgAl9Zn1, MCMgAl6Zn1, MCMgAl3Zn1 magnesium cast alloy as-cast state and after a heat treatment presen...
Microstructure, mechanical and electrical properties of Ni-YSZ anode supported solid oxide fuel cells
Composites Powder metallurgy Sintering Mechanical and electrical properties
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2009/12/2
Purpose: Investigation of the Ni-YSZ cermets for anode supported solid oxide fuel cells (SOFC) prepared by
uniaxial pressure, sintered and reduced pellets of NiO-YSZ.
Design/methodology/approach: De...
The influence of Nd and Ho addition on the microstructure of Mg-7Al alloy
Mg-Al-RE alloys Casting Heat treatment Microstructure
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2009/12/2
Purpose: of this paper was to examine effect of Nd and Ho on the microstructure of as-cast and solid-treated
Mg-7Al alloy, and to study the response to ageing by hardness changes measurements of in...
The influence of age hardening on the microstructure of GA8 magnesium alloy
Metallic alloys Heat treatment GA8 magnesium alloy
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2009/12/1
Purpose: GA8 magnesium alloy is a general purpose gravity sand casting alloy containing aluminum, zinc and
manganese. Typically, it is used in aerospace, automotive or commercial casting application...