搜索结果: 1-15 共查到“金属材料 Steels”相关记录34条 . 查询时间(0.334 秒)
Structure and properties of surface layers of selected constructional steels after sulfonitriding
S. Lesz E. Kalinowska-Ozgowicz K. Goł ombek M. Kleczka
2010/3/1
The necessity of reducing the adhesive forces of mating elements of machinery exploited in dry and mixed friction conditions is a base for elaborating many thermochemical and surface treatment operati...
Nickel-free austenitic stainless steels for medical applications
Nickel-free austenitic stainless steels medical applications
2010/2/28
The adverse effects of nickel ions being released into the human body have prompted the development of high-nitrogen nickel-free austenitic stainless steels for medical applications. Nitrogen not only...
The influence of laser modification on the structure and properties of the X40CrMoV5-1 and 32CrMoV12-28 hot work tool steels
Surface treatment Heat treatment Hot work tool steel Laser alloying
2010/2/2
Alloys requiring a high technical application are often producing by the use of laser. Laser treatment technologies are widely used to modify superficial layers of different materials. In general the ...
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
2010/2/2
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...
Corrosion resistance of high-manganese austenitic steels
Corrosion resistance High-manganese steels TWIP-effect Immersion test General corrosion Corrosion pits
2010/2/2
High-manganese austenitic steels belong to the second generation of modern high strength steels for automotive industry [1]. Their mean advantage over first generation steels with a matrix based on A2...
The high alloy precipitation hardening martensitic steels and their suitability for welding
Metallic alloys Welding metallurgy Martensitic steels Heat treatment
2010/2/2
High alloy martensitic steels studied in the present work, have well over 20% of the alloying elements and belongs to the two broad categories, the high-nickel maraging steels and the chromium-nickel ...
Characteristic of vacuum sintered stainless steels
Sinter-hardening Powder metallurgy Duplex stainless steel
2009/12/14
Purpose: In the present study duplex stainless steels were sintered in vacuum. using rapid cooling form the mixture of prealloyed and alloying element powders The purpose of this paper was to describe...
Cold worked high alloy ultra-high strength steels with aged martensite structure
Metallic alloys High alloy steels Cold working
2009/12/14
Purpose: The study on structure-property relations of heavily cold worked and aged martensite in two high-alloy structural steels was presented. The aim was to understand properties of the sheet produ...
Identification of precipitations in anodically dissolved high-strength microalloyed Weldox steels
Metallic alloy Microalloyed constructional steels Anodic dissolution
2009/12/2
Purpose: The aim of the investigations is to elaborate the optimum conditions of anodic dissolutions from highstrength
microalloyed Weldox steels in order to obtain indispensable quantities of electr...
Innovative PM duplex stainless steels obtained basing on the Schaeffler diagram
Sinter-hardening Powder metallurgy Duplex stainless steel
2009/12/2
Purpose: The purpose of this paper was to describe the sintered duplex stainless steels manufactured in sinterhardening
process and its usability in field of stainless steels and moreover using compu...
Structure of the gradient carbide steels of HS 6-5-2 high-speed steel matrix
Tool materials Uniaxial pressing Sintering, High-speed steel
2009/12/1
Purpose: The goal of this work is to obtain gradient carbide steels based on a high-speed steel reinforced with
tungsten carbide.
Design/methodology/approach: The materials were fabricated using the...
Properties of duplex stainless steels made by powder metallurgy
Mechanical properties Powder metallurgy Duplex stainless steel Strength
2009/12/1
Purpose: of this paper was to examine the mechanical properties of duplex stainless steels.
Design/methodology/approach: In presented study duplex stainless steels were obtained through powder
metal...
Sintering of Ni-Mo-W steels and their properties
Manufacturing and processing Powder metallurgy Sintering Low alloyed steels Sinter-hardening
2009/12/1
Purpose: The paper focuses on microstructural and mechanical characteristics of Ni-Mo and Ni-Mo-W sintered
steels with increasing amount of tungsten, low and high addition of carbon.
Design/methodol...
Effect of microstructure on impact toughness of duplex and superduplex stainless steels
Ductility Duplex stainless steels Heat treatment Impact toughness
2009/10/30
Purpose: of this paper is to study the effect of heat treatments and resulting changes in microstructure on mechanical properties, mainly impact toughness, of commercial 2205 duplex stainless steel an...
Testing samples size effect on notch toughness of structural steels
structural carbon steel notch toughness upper bound
2009/10/23
In the paper notch toughness assessment of full scale testing samples (FS) form the upper bound toughness of sub-sized (SS) samples of structural carbon-manganese steels. The relations proposed by Sch...