搜索结果: 1-15 共查到“材料科学 Work”相关记录18条 . 查询时间(0.046 秒)
When you think of researchers working on nanotechnology, you probably picture scientists and engineers manipulating incredibly small structures in a state-of-the-art lab. But there are many others who...
Plastics are a miracle of modern science and are now fundamental to our everyday lives. Of course, they are also a constant reminder of our throwaway society. With support from the National Science Fo...
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
2010/8/17
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 ...
Laser surface treatment of the hot work tool steel alloyed with TaC and VC carbide powders
Laser remelting and alloying Tantalum carbide Vanadium carbide
2009/12/3
Purpose: The paper presents investigation results of the structure and properties of alloying surface layer of the X40CrMoV5-1 hot work tool steel, using the high power diode laser HPDL. Tantalum and ...
Characteristic of polymer sliding materials using to work at elevated temperature
Tribological properties polymer composites Sliding composite Glass carbon Mechanical properties
2009/12/2
Purpose: The purpose of this project was to estimate the possibility of using glass carbon particleste as a
reinforced component of polymer matrix in composites. Application as a basic components mod...
Continuous heating from as-quenched state in a new hot-work steel
Tool materials Hot-work steel Tempering CHT - diagram
2009/12/1
Purpose: This work contains a detailed description of the kinetics of phase transformations during tempering of
a new hot-work steel. Moreover, the differences in hardness and microstructure of sampl...
Purpose: This paper reports results of in-house experimentation and an exhaustive literature search on heat
treatment of H13 tool steel. Heat treatment strategy practiced by the industry is described...
Mechanical and tribological properties of the surface layer of the hot work tool steel obtained by laser alloying
Surface treatment Laser alloying and remelting Hot work alloy tool steel
2009/12/1
Purpose: The paper presents results on the mechanical and tribological properties examinations of the X40CRMoV5-
1 hot work alloy tool steel alloyed with carbide powders using the high power diode la...
Structure and properties of laser alloyed gradient surface layers of the hot-work tool steels
Heat treatment Laser Tool materials
2010/1/19
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 ...
The study of properties of laser modified hot-work tool steel surface layer
Heat treatment Laser Tool materials
2010/2/8
Purpose: The following paper is a synopsis of the fundamentals of laser remelting and alloying, outlining some of its benefits compared with conventional heat treatment techniques of hot-work tool ste...
Comparison of the PVD coatings deposited onto hot work tool steel and brass substrates
Thin&thick coatings Mechanical properties
2010/2/9
Purpose: The aim of the research is the investigation of the structure and mechanical properties of monolayers CrN, TiN and multilayers TiN/TiAlN and Ti/TiAlN coatings deposited by PVD techniques onto...
Functional properties of surface layers of X38CrMoV5-3 hot work tool steel alloyed with HPDL laser
Properties Mechanical properties Surface layers Alloying
2010/2/9
Purpose: Improvement of functional properties alloyed of hot work tool steel surface layers is one of the goals of this paper.Design/methodology/approach: The material used for investigation was the h...
Structure and properties of hot-work tool steel alloyed by WC carbides by a use of high power diode laser
Heat treatment Laser Tool materials
2010/2/9
Purpose: The paper presents the effect of alloying with tungsten carbide on properties of the X40CrMoV5-1 steel surface layer, using the high power diode laser (HPDL).
Design/methodology/approach: Th...
Comparison of the thermal fatigue surface layers of the X40CrMoV5-1 hot work tool steels laser alloyed
Tool materials Hot work tool steel Laser treatment
2010/2/9
Purpose: The comparison of thermal fatigue and mechanical properties of the hot work tool steels alloyed with carbide powders has been presented. The effect of laser alloying with powders on the surfa...
Comparison of the secondary hardness effect after tempering of the hot-work tool steels
Heat treatment Tool materials Hot work tool steels
2010/2/9
Purpose: of this paper was to examine of the secondary hardness effect after tempering of the developed complex hot-work tool steel 47CrMoWVTiCeZr16-26-8 in relation to standard hot-work tool steel X4...