搜索结果: 1-7 共查到“有色金属及其合金 Steels”相关记录7条 . 查询时间(0.057 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...
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 ...
An universal formula for the calculation of nitrogen solubility in liquid nitrogen-alloyed steels
nitrogen steels solubility high pressure
2009/10/23
The results of the authors' own experimental studies on the Fe - N system, its standard state, binary alloys of iron with chromium, molybdenum, manganese, nickel, vanadium, silicon and carbon, as well...
Structure and properties of laser alloyed gradient surface layers of the hot-work tool steels
Heat treatment Laser Tool materials
2008/12/30
Purpose: The purpose of this research paper is focused on the 55NiCrMoV7, 32CrMoV12-28, X40CrMoV5-1, X38CrMoV5-3 hot work tool steels surface layers improvement properties using HPDL laser. The paper ...