Study of using phosphogypsum for sintering sulpho - aluminate cement

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This paper makes a comparative study of friction-wear characteristics of 46 steel test pieces of ionic sulpho-carbo-nitriding liquid sulpho - carbo-nitriding gas soft nitriding and high-frequency hardening .

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The Friction - Wear Characteristics of Ionic Sulpho - Carbo - Nitriding Layer of 45 Steel under Abrasive - Containing Lubricating Condition

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