Material design method for the functionally graded cemented carbide tool

Nomura, Tsuyoshi; Moriguchi, Hideki; Tsuda, Keiichi; Isobe, Kazutaka; Ikegaya, Akihiko; Moriyama, Kiyoko

doi:10.1016/s0263-4368(99)00029-3

Cited by 63 publications

(26 citation statements)

References 3 publications

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“…it would prevent its use in high-speed cutting. Due to the higher hardness and absence of a ductile binder phase compared to bulk cermets, a surface layer rich in cubic carbides (fcc-rich layers) formed by nitride treatments yields an improved cutting performance from such cermets: these are referred to as wear-resistant layers [3,4]. General nitride treatments are carried out by resistance heating, for which the heating mechanisms are radiation and convection.…”

Section: Introductionmentioning

confidence: 99%

Formation of wear-resistant graded surfaces on titanium carbonitride-based cermets by microwave assisted nitriding sintering

Tang¹,

Liu²,

Li³

et al. 2015

International Journal of Refractory Metals and Hard Materials

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Section: Introductionmentioning

confidence: 99%

Formation of wear-resistant graded surfaces on titanium carbonitride-based cermets by microwave assisted nitriding sintering

Tang¹,

Liu²,

Li³

et al. 2015

International Journal of Refractory Metals and Hard Materials

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“…Furthermore, a controlled gradient in the modulus of elasticity at a surface is shown to eliminate conical cracking that results from Hertzian indentation (Jitcharoen et al, 1998;Pender et al, 2001a,b) and suppress the formation of herringbone cracks under sliding frictional contact (Suresh et al, 1999). The improved tribological characteristics of FGMs paved the way for their potential use in technological applications such as joint prostheses (Mishina et al, 2008) and high performance cutting tools (Nomura et al, 1999).…”

Section: Introductionmentioning

confidence: 99%

Sliding frictional contact between a rigid punch and a laterally graded elastic medium

Dağ

Güler

Yıldırım

et al. 2009

International Journal of Solids and Structures

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a b s t r a c tAnalytical and computational methods are developed for contact mechanics analysis of functionally graded materials (FGMs) that possess elastic gradation in the lateral direction. In the analytical formulation, the problem of a laterally graded half-plane in sliding frictional contact with a rigid punch of an arbitrary profile is considered. The governing partial differential equations and the boundary conditions of the problem are satisfied through the use of Fourier transformation. The problem is then reduced to a singular integral equation of the second kind which is solved numerically by using an expansion-collocation technique. Computational studies of the sliding contact problems of laterally graded materials are conducted by means of the finite element method. In the finite element analyses, the laterally graded half-plane is discretized by quadratic finite elements for which the material parameters are specified at the centroids. Flat and triangular punch profiles are considered in the parametric analyses. The comparisons of the results generated by the analytical technique to those computed by the finite element method demonstrate the high level of accuracy attained by both methods. The presented numerical results illustrate the influences of the lateral nonhomogeneity and the coefficient of friction on the contact stresses.

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“…Tool gradient materials are usually designed in such a way as to ensure high abrasive resistance of tools in the working layer, while maintaining a ductile core which ensures that high dynamic loads are transferred. Sintered carbides, sintered carbide steels and sintered high-speed steels can be used as the material of a working part [1,[73][74][75]. An example of a tool gradient material can be a gradient sintered carbide.…”

Section: General Concept Of Sintered Gradient Materialsmentioning

confidence: 99%

“…An example of a tool gradient material can be a gradient sintered carbide. Such a material consists of sintered carbides WC-Co, cermetal TiCN-Ni and a thin ceramic layer made of sintered carbides [1,74].…”

Section: General Concept Of Sintered Gradient Materialsmentioning

confidence: 99%

Fabrication, Structure, Properties and Application of Gradient Sintered Carbide-Steels with HS6-5-2 Matrix

Dobrzański¹,

Kloc-Ptaszna²

2017

Powder Metallurgy - Fundamentals and Case Studies

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This chapter presents essential information concerning sintered tool materials containing carbides, i.e. high-speed steels and metal matrix composites, including sintered carbides and carbide steels. Gradient materials, whose properties change gradually according to their volume, are characterised. The results of investigations are presented in the final part into the structure and properties of newly developed sintered graded tool materials fabricated by the conventional metallurgy method from a mixture of high-speed HS6-5-2 steel powder and WC carbides. Investigations are described for four-layer materials, where the successive transition layers with a smaller and smaller volume fraction of tungsten carbide were constituted from the surface layer side, until a substrate layer containing high-speed HS6-5-2 steel only. The outcomes are described of structural examinations in a scanning and transmission electron microscope, an X-ray microanalysis and the results of density, porosity and hardness examinations of sintered gradient materials and the results of structure and hardness examinations of heat-treated materials.

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Material design method for the functionally graded cemented carbide tool

Cited by 63 publications

References 3 publications

Formation of wear-resistant graded surfaces on titanium carbonitride-based cermets by microwave assisted nitriding sintering

Formation of wear-resistant graded surfaces on titanium carbonitride-based cermets by microwave assisted nitriding sintering

Sliding frictional contact between a rigid punch and a laterally graded elastic medium

Fabrication, Structure, Properties and Application of Gradient Sintered Carbide-Steels with HS6-5-2 Matrix

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