搜索结果: 1-15 共查到“知识库 材料科学 Tool”相关记录42条 . 查询时间(0.222 秒)
Mid-IR-laser microscopy as a tool for defect investigation in bulk semiconductors
Mid-IR-laser microscopy defect investigation bulk semiconductors
2011/9/9
A non-destructive optical technique described in this paper is an effective new tool for the investigation of defects in semiconductors. The basic instrument for this technique—a mid-IR-laser microsco...
Hardness to toughness relationship on WC-Co tool gradient materials evaluated by Palmqvist method
Toughness Cemented carbides Palmqvist Powder Metallurgy
2010/8/17
Tool graded materials (TGM) incorporate gradual transitions in their microstructure and composition with distance. The gradients provide means to favourably engineer their thermo mechanical properties...
Comparison of surface laser alloying of chosen tool steel using Al2O3 and ZrO2 powder
Comparison alloying tool steel Al2O3 ZrO2 powder
2010/8/12
In this paper there is presented the laser treatment as a part technology applied for steel surface manufacturing. There is presented laser treatment with remelting of hot work tool steel 32CrMoV12-28...
New tool materials based on Ni alloys strengthened by intermetallic compounds with a high carbon content
Tool materials Ni-based alloys Intermetallic compounds Carbides
2010/8/17
Tool steels containing from 0.30 to 0.60% C, up to 5% Cr and Mo, W and V are universally applied as tool materials for operations in high temperatures. Tools made of these steels obtain functional qua...
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 ...
Structure of sintered gradient tool materials
Sintering Composite materials Gradient materials
2009/12/14
Purpose: Investigation of influence of sintering conditions onto the structure of composite gradient tool materials. The chemical composition of the investigated materials’ core was corresponding to t...
Influence of the PVD and CVD technologies on the residual macro-stresses and functional properties of the coated tool ceramics
Tool ceramics PVD CVD
2009/12/14
Purpose: The goal of this work is to compare the macro-stresses as well as mechanical and functional properties of the PVD and CVD coatings deposited on oxide and nitride ceramics tool.
Design/method...
Effect of heat treatment on mechanical properties of H11 tool steel
Tool steel Heat treatment Hardening
2009/12/14
Purpose: AISI H11 is a special alloy steel, categorized as chromium tool steel. Because of its high toughness and hardness, it is well suited for hot work applications involving very high loads. Typic...
The Poka-Yoke method as an improving quality tool of operations in the process
Quality management Mistake proofing Poka-Yoke method
2009/12/14
Purpose: A new approach for the implementation of quality philosophy Zero Quality Defects with usage of the Poka-Yoke method in the polish organization has been presented.
Design/methodology/approach...
Effect of the sintering parameters on structure of the gradient tool materials
Powder metallurgy FGM Tool materials SEM
2009/12/14
Purpose: The purpose of this work was to obtain gradient tool materials, based on the unalloyed steel reinforced with HS6-5-2 high-speed steel, through using the conventional powder metallurgy method ...
Structure of TiBN coatings deposited onto cemented carbides and sialon tool ceramics
Tool materials Thin & Thick coatings Sialon
2009/12/3
Purpose: The aim of this paper was investigated structure of sintered carbides WC-Co type and sialon tool ceramics with wear resistance ternary coatings TiBN type deposited by cathodes arc evaporation...
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 ...
Powder pneumatic injection as a tool for wastes utilization
Cleaner production Industrial application of cleaner production methods Casting
2009/12/3
Purpose: Metallurgical process generates many solid, gaseous and liquid wastes. Nowadays when environmental protection is one of the most important problems and when pollution limits are very tight as...
Hard gradient (Ti,Al,Si)N coating deposited on composite tool materials
Gradient coatings XPS PVD
2009/12/3
Purpose: This paper presents investigation of gradient coating of (Ti,Al,Si)N deposited on the Al2O3+SiC(w)
oxide ceramics substrate deposited with the PVD process.
Design/methodology/approach: Stru...
The Mössbauer spectroscopy studies of ε to cementite carbides transformationduring tempering of high carbon tool steel
Mö ssbauer spectroscopy CEMS Steel Tempering Iron carbides
2009/12/2
Purpose: This work presents results of investigations using Mössbauer spectroscopy technique and their
interpretation concerning transformation of ε to cementite carbides during tempering in rel...