搜索结果: 1-15 共查到“黑色金属及其合金 Steels”相关记录24条 . 查询时间(0.078 秒)
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...
Characterisation of properties and microstructural changes of 12% Cr-W steels after long-term service
Residual life analysis Electron microscopy Metallic alloys
2008/12/30
Purpose: Characterization of the influence of long-term exposition on microstructural stability and properties
of new modified ferritic steels containing 12% Cr with W addition.
Design/methodology/a...
Hot-working behaviour of high-manganese austenitic steels
High manganese steel Hot-working TWIP-effect Dynamic recrystallization
2008/11/30
It was found that they have austenite microstructure with numerous annealing twins in the initial state. Continuous compression tests realized in the temperature range from 850 to 1050°C with the stra...
Influence of plastic deformation on CCT-diagrams of low-carbon and medium-carbon TRIP-steels
Metallic alloys TRIP-steel CCT-diagram
2008/7/30
Purpose: The aim of the paper is to investigate the influence of plastic deformation and cooling conditions on a structure and a shape of CCT-diagrams of new-developed TRIP-aided microalloyed steels.D...
Laser treatment of the surface layer of 32CrMoV12-28 and X40CrMoV5-1 steels
Surface treatment Heat treatment Hot work tool steel
2008/7/30
Purpose: This work presents the investigation results of laser remelting and alloying especially the laser parameters and its influence on the structure and properties of the surface of the 32CrMoV12-...
Effect of increased nitrogen content on the structure and properties of tool steels
Tool materials Quantitative metallography Crack resistance
2008/7/30
Purpose: The influence is analysed of an increased nitrogen content in the range of 0.03-0.09% on stereological features of the microstructure, the principal mechanical properties, crack resistance an...
Quantitative evaluation of the structure and properties of hot rolled products of continuous ingots made of low-carbon steels
Metallic alloys Plastic forming Mechanical properties
2008/5/30
Purpose: The paper presents influence of degree processing for parameters of the structure and properties of products after hot rolling of continuous ingots made of low carbon steels.
Design/methodol...