搜索结果: 1-12 共查到“材料失效与保护 PVD”相关记录12条 . 查询时间(0.091 秒)
FEM modelling of internal stresses in PVD coated FGM
Computational materials science Finite Element Method Stresses
2009/12/14
Purpose: The general topic of this paper is problem of determining the internal stresses of composite gradient tool materials with the use of finite element method (FEM). The chemical composition of t...
Purpose: of the paper was comparison of the structure, adhesion and wear resistance of the monolayers CrN and TiN PVD coatings deposited onto plasma nitrited X37CrMoV5-1 type hot work tool steel.
Des...
Purpose: The X-Ray Photoelectron Spectrometry (XPS) and Auger Electrons Spectroscopy (AES) analysis of PVD
coatings were performed for samples, made from cemented carbides, cermets and composite grad...
Corrosion resistance of multilayer and gradient coatings deposited by PVD and CVD techniques
Corrosion PVD CVD Ceramic tools materials
2009/12/1
Purpose: The aim of the research was the investigation of the corrosion resistance and structure of the TiN,
TiN+multiTiAlSiN+TiN, TiN+TiAlSiN+TiN, TiN+TiAlSiN+AlSiTiN coatings deposited by PVD proce...
Properties of the multicomponent and gradient PVD coatings
Tool materials Gradient coatings Cutting ability test
2009/12/1
Purpose: This paper presents investigation results of the properties of the multicomponent (Ti,Al)N and gradient
Ti(C,N) wear resistant coatings, deposited with the PVD process onto the substrate fro...
Sintered tool materials with multi-component PVD gradient coatings
Tool materials Sintered materials Gradient coatings
2010/2/4
Design/methodology/approach: The structural investigations include the metallographic analysis on the transmission and scanning electron microscope. Examinations of the chemical compositions of the de...
Design/methodology/approach: The microhardness tests of the PVD coatings were made on the dynamic ultra-microhardness tester. The surfaces’ thopography and the structure of the PVD coatings was observ...
EB-PVD梯度热障涂层的热循环失效机制
EB-PVD 梯度热障涂层 热循环 过渡层
2008/10/23
研究了一种新型梯度结构的EB-PVD(电子束物理气相沉积)热障涂层的热循环性能,并分析了涂层的失效机制.结果表明,由于NiCoCrAlY粘结层以及在粘结层上形成的Ni3Al薄层发生了选择性氧化,从而在粘结层和梯度过渡层之间形成了一层Al2O3层.随着热循环时间增长,Al2O3层不断增厚,而且在热循环应力作用下,涂层最终沿Al2O3层内部断裂失效.
Comparison of the structure, properties and wear resistance of the TiN PVD coatings
Thin&thick coatings Plasma nitriding Mechanical properties
2010/2/8
Purpose: The aim of the paper was to compare the structure, mechanical propeties, adhesion and wear resistance of the monolayer TiN PVD coatings deposited onto heat treated and plasma nitrided hot wor...
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...
The computer simulation of stresses in the Ti+Ti(CxN1-x) coatings obtained in the PVD process
Computational materials science Finite Element Method Stresses
2010/2/9
Purpose: The aim of the research is the computer simulation of the internal stresses in bilayer coatings Ti+Ti(CxN1-x)obtained in the magnetron PVD process on the sintered high-speed steel of the ASP ...
Structure of gradient coatings deposited by CAE-PVD techniques
Tool materials PVD coatings TEM SEM
2010/2/9
Design/methodology/approach: The structure of investigated coatings was characterized by scanning and transmission electron microscopy. Chemical composition was determined by energy dispersive spectro...