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Cladding of steIIite composite on carbon steel by gas tungsten arc welding (GTAW)
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نویسنده
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Madadi F. ,Shamanian M. ,Ashrafizadeh F.
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منبع
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international journal of iron and steel society of iran - 2009 - دوره : 6 - شماره : 2 - صفحه:34 -37
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چکیده
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This paper deals with the investigation of the microstructure and hardness of steel samples cladded with satellite 6-wc composites by using gas tungsten arc welding (gtaw) process. for this purpose, steel samples were coated with unreinforced and reinforced stellite (by 20, 30 and 40 wt.% wc). the cladded samples were evaluated by metallographic studies, microhardnes s measurement and x-ray diffraction analysis. in order to reduce dilution and to increase the hardness, samples were coated by two lay ers of similar chemical composition. the results indicated th at in samples c1added by reinforced stellite, with an increase in tungsten carbide content, the amount of hypoeutectic phase (ɣ+ (ɣ+ wc)) increased. thi s is accompanied by an increase in hardness .
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کلیدواژه
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Cladding ,satellite ,composites ,GTAW
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آدرس
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isfahan university of technology, Department of Materials Engineering, ایران, isfahan university of technology, Department of Materials Engineering, ایران, isfahan university of technology, Department of Materials Engineering, ایران
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پست الکترونیکی
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shamanian@cc. iut.ac.ir
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Authors
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