搜索结果: 1-14 共查到“材料科学 plasma”相关记录14条 . 查询时间(0.323 秒)
Wear of plasma nitrided and nitrocarburised AISI 316L austenitic stainless steel
Wear of plasma nitrided nitrocarburised AISI 316L stainless steel
2010/8/12
The use of coatings and surface engineered components is increasing and is driven by the need for improved hardness, corrosion and wear resistance [1]. Austenitic stainless steels are the most importa...
Plasma nitriding as a prevention method against hydrogen degradation of steel
Crack resistance Plasma assisted nitriding Hydrogen embrittlement
2009/12/14
Purpose: of this paper is evaluation of susceptibility to hydrogen degradation of structural low-alloy steel, plasma nitrided in the atmosphere with various contents of N2 and H2.
Design/methodology/...
Thermal barrier ZrO2 - Y2O3 obtained by plasma spraying method and laser melting
Composites Thermal barrier coatings Air plasma spraying
2009/12/3
Purpose: The aim of the paper is to determine the influence of laser melting upon the selected physical properties of ZrO2 - Y2O3 ceramic coatings deposited by APS (Air Plasma Spraying) method on supe...
Diagnostics of plasma arc during the process of remelting of surface layer in 40Cr4 steel
Welding Plasma arc
2009/12/1
Purpose: The purpose of this work is to propose a research method for diagnostics and determination of
temperature and shape of plasma arc used for surface treatment of 40Cr4 steel with TiO2 coatin...
Growth and Corrosion Characteristics of Plasma Electrolytic Oxidation Ceramic Films Formed on AZ31 Magnesium Alloy
plasma electrolytic oxidation oxidation film growth process
2009/11/16
The growth characteristics of oxide ceramic films formed on AZ31 magnesium alloy with plasma electrolytic oxidation (PEO) technique in alkaline silicate solution were investigated. The composition, st...
Evaluation of plasma nitriding efficiency of titanium alloys for medical applications
titanium alloys glow discharge nitriding surface layer structure
2009/10/23
The surface layers obtained on selected titanium alloys, used in medicine, by the nitriding under glow discharge condition were investigated. The results concern of: α- titanium alloy Grade 2 and α + ...
Life Enhancement of Hot-Forging Dies by Plasma-Nitriding
AISI-H13 hot-work tool steel plasma-nitriding hardness hot-forging dies life enhancement
2009/10/14
Hot-forging dies, made of AISI-H13 hot-work tool steel, were plasma-nitrided in order to improve the surface properties of the material. A di usion layer without the white layer was formed on the mate...
The influence of arc plasma electric and laser treatment on the structure and properties of the high speed steel
High sped steel tribological properties Leaser Arc plasma treatment
2011/3/31
The examination of the structure, hardness and abrasion resistance of surface layer of high speed steel: HS 2-10-1-8, HS 6-5-2 and HS 10-2-5-8 after arc plasma and laser welding are presented in th...
The influence of arc plasma electric and laser treatment on the structure and properties of the high speed steel
High sped steel tribological properties Leaser Arc plasma treatment
2011/3/31
The examination of the structure, hardness and abrasion resistance of surface layer of high speed steel: HS 2-10-1-8, HS 6-5-2 and HS 10-2-5-8 after arc plasma and laser welding are presented in th...
Sensing controlled pulse key-holing condition in plasma arc welding
controlled pulse key-holing efflux plasma voltage keyhole plasma arc welding
2010/3/17
According to the strategy of controlled pulse key-holing, a new sensing and control system was developed for monitoring and controlling the keyhole condition during plasma arc welding (PAW). Through s...
The change of NiCrBSi alloys' phase composition after plasma spraying
Theory of crystallization Solidification process Crystallinity degree
2011/3/17
Material for investigations was NiCrBSi powder for components’ coatings which improve their corrosion resistance as well as resistance to friction wear and erosion. Plasma spraying method was used to ...
Phase formation in selected surface-roughened plasma-nitrided 304 austenite stainless steel
plasma nitriding AISI 304 steel phase analysis hardnes
2010/10/12
Direct current (DC) glow discharge plasma nitriding was carried out on three selected
surface-roughened AISI 304 stainless steel samples at 833K under 4 mbar pressures for 24 h
in the presence of N2...
The refinement of the surface layer of HS 7425 high speed tool steel by laser and electric arc plasma
Heat treatment High speed steel Laser remelting Plasma remelting Microstructure
2011/3/15
The paper present two different techniques: laser remelting surface and plasma remelting surface of the high speed steel HS 7425.
Characterisation of air plasma sprayed TBC coating during isothermal oxidation at 1100°C
Thin & thick coatings TBC Degradation Oxidation
2010/2/22
Purpose: The purpose of the research was characterization of failure modes of air plasma sprayed thermal barrier coatings system in isthermal oxidation test conditions at 1100ºC.
Design/methodol...