搜索结果: 16-30 共查到“材料科学 Metals”相关记录49条 . 查询时间(0.227 秒)
Influence of the environmental conditions on the fractionation of heavy metals in the Fenhe reservoir sediment
reservoir sediment-water interface heavy metal fractionation environmental conditions
2010/8/9
The BCR sequential extraction and EDTA single extraction method were applied to study the fractionation, concentration and bioaccessibility of the heavy metals in the sediment of Fenhe reservoir in No...
ECAP methods application on selected non-ferrous metals and alloys
Metallic alloys ECAP method Mechanical properties Microstructure
2010/6/2
In many technical processes of forming the deformation is substantially greater than conditions at the tensile test. In this case a torsion tests have already been used for a long time at investigatio...
Properties of sandwich metals joined by explosive cladding method
Materials Metallic alloys Sandwich materials joined explosive cladding method Mechanical properties Structure
2010/5/1
Surface protection is one of the important processes of ensuring efficient and economical use of materials for products and in constructions [1-5]. Often it is realized by applying coatings to be appl...
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...
Electrical double layer and adhesive force in fatigue strength of metals coated with plastics
Electrical properties Durability of fatigue Adhesion Double electric layer
2009/12/3
Purpose: Literature consists a lot of information concerning the issues of the fatigue endurance of metals coated with plastics. However few studies explicitly explain, what mechanisms decide on the i...
The kinetics of nitrogen dissolution in levitation and arc-melted Fe-C-Mn filler metals
Welding Nitrogen Absorption Arc melting
2009/12/2
Purpose: The influence of melting method on the kinetics of nitrogen absorption by Fe-C-Mn filler metals has been
analysed. The industrial heats of the Fe-C-Mn (SpG1) type welding filler metals were ...
A Research Institute for Noble Metals.
The alloy system Au-Ag-Pd-Pt-Sn is described with the help of the thermodynamic software ‘Chemsage’ and a specially modelled dataset. Calculations on the stability of precipitated phases show good agr...
Derivative thermo analysis of the Al-Si cast alloy with addition of rare earths metals
Aluminium alloy Cerium Lanthanum Derivative thermo-analysis UMSA
2009/7/7
In this paper the dependence between chemical composition, structure and cooling rate of Al–Si aluminium cast alloy was investigated.
For studying of the structure changes the thermo-analysis was c...
Rare earth metals influence on morphology of non-metallic inclusions and mechanism of GP240GH and G17CrMo5-5cast steel cracking
Cast steel Rare earth metals Modification Non-metallic inclusions Fractography
2009/7/7
This paper presents results of research carried out in order to specify the influence of the rare earth metals on the morphology of the occuring non-metallic inclusions as well as on the cracking me...
Derivative thermo analysis of the Al-Si cast alloy with addition of rare earths metals
Aluminium alloy Cerium Lanthanum Derivative thermo-analysis UMSA
2009/7/7
In this paper the dependence between chemical composition, structure and cooling rate of Al–Si aluminium cast alloy was investigated.For studying of the structure changes the thermo-analysis was carr...
华南理工大学机械工程材料课件 lesson4-ch2_solidification of metals-v2
机械工程材料 课件 solidification of metals-v2
2009/3/23
华南理工大学机械工程材料课件 lesson4-ch2_solidification of metals-v2。
华南理工大学机械工程材料课件 lesson3-ch1-crystal structure of metals
机械工程材料 课件 crystal structure of metals
2009/3/23
华南理工大学机械工程材料课件 lesson3-ch1-crystal structure of metals。
华南理工大学机械工程材料课件 lesson2-ch1-crystal structure of metals
机械工程材料 课件 crystal structure of metals
2009/3/23
华南理工大学机械工程材料课件 lesson2-ch1-crystal structure of metals。
Rare earth metals influence on mechanical properties and crack resistance of GP240GH and G17CrMo5-5 cast steels
Cast steel Modification REM Mechanical properties Fracture toughness
2009/2/7
This paper presents results of research on modification influence of REM on mechanical properties and crack resistance of GP240GH cast carbon steel and G17CrMo5-5 high-temperature cast steel. The test...