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Basic requirements of any agricultural implements are the desired combination of hardness and wear resistance properties. Heat treatment plays an important role in order to achieve these mechanical properties. Conventionally high carbon (~0.70C) steel hardened by oil quenching (38-45HRC) is being used but in desert areas and places having black soil higher hardness (45-52HRC) is required. So for these...
Work rolls made of indefinite chill double-poured (ICDP) iron are commonly used in the finishing trains of hot-strip mills (HSMs). In actual service, spalling, apart from other surface degeneration modes, constitutes a major mechanism of premature roll failures. Although spalling can be a culmination of roll material quality and/or mill abuse, the microstructure of a broken roll can often unveil intrinsic...
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