Laser surface hardening technology and manufacturing process was introduced .

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The author sum up experiences about laser surface hardening process of many years .

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In the process of surface hardening treatment with laser the temperature of the heating zone on the workpiece irradiated by laser goes through rapid rise and fall and the austenite is transformed into the martensite . Hence the hardness and strength of materials are improved .

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Therefore the industrializations of plasma arc surface hardening technology will have prominent economic profit and society benefits .

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The equation for calculating the hardness of the tubing threads is presented which can be used for calculating the hardness value in surface hardening .

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Fatigue fracture toughness can be regarded as constant foreach surface hardening condition ;

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This is a better surface hardening method on cobalt base alloy .

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The future development and the application prospect of the light beam surface hardening in our country were discussed .

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This paper introduces the applications of the very high power laser in the surface hardening of materials .

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Under these circumstances there would always be some finite depth of surface hardening regardless of size .

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Laser oxidizing for titanium surface hardening was studied .

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Laser Surface Hardening Using Determined Intensity Distribution

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The Wear-resistance of Surface Hardening Layers on Cold Working Dies

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Now the surface treatment methods are surface hardening tufftride plasma CVD etc.

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This paper briefly introduces the principle the advantages and the use of plasma arc surface hardening technology .

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Thirdly induction surface hardening is carried out on ADI .

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The Study and Application on the Plasma Arc Surface Hardening Technology 45 Steel

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A new broad band laser quenching process was developed for surface hardening of the large module gear .

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Effects of laser surface hardening on microstructure and hardness of high Ni-Cr indefinite chill cast iron roll

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Application and Development of Surface Hardening Technology in the Die

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Innovative laser processing ( surface hardening surface alloying and cladding )

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In developed industry countries the plasma arc surface hardening has come into practical application stage .

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Application of laser heating in surface hardening is a modern technique .

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THE STUDY OF SURFACE HARDENING OF STEEL TOOLS AND MACHINE PARTS BY MEANS OF HIGH TEMPERATURE SOLAR FURNACE Suitable graphitization apparatus of carbon fiber includes tube electric resistance furnace induction furnace solar furnace and plasma technology .

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A new laser surface hardening technology of aluminium alloy was examined in this paper .

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Low-temperature plasma surface hardening treatment technology can improve the surface hardness and wear resistance not reduce the corrosion resistance of austenitic stainless steel .

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Figure induction coil surface hardening of medium frequency current flowing through the great but will heat the surface of the workpiece .

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Effects of plasma beam surface hardening parameters on microstructure and hardness distribution of the hardening layer of boron cast iron at junction of two hardening traces were investigated .

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The Al concentration distribution in aluminized layer microstructure and some properties of surface hardening layer were studied .

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Induction hardening technique of joural fillets for LR6100 engine crankshaft was used surface hardening .

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