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Purpose: The aim of this study is to investigate effects of austempering heat treatment on the tensile properties of GGG60 ductile cast iron for cam shaft production. For this purpose, cam shafts have been produced by sand casting method. Design/methodology/approach: For nodulizing process, Fe-Si-Mg alloy has been used and Fe-Si-Ba-Ca-Al alloy for inoculation process. The casting has been done between...
Mechanical properties of spheroidal graphite (SG)-iron subjected to variable and isothermal austempering temperatures heat treatment have been examined. Variable austempering temperature heat treatment is carried out by austenitizing at 1183 K then quenching into a salt bath held at 593 and 723 K, respectively. After quenching, the former is steadily heated to 723 K while the latter is allowed to...
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