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首页> 外文期刊>ISIJ international >Phase Equilibrium between CaO·Al2O3 Saturated Molten CaO–Al2O3–MnO and (Ca, Mn)S Solid Solution
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Phase Equilibrium between CaO·Al2O3 Saturated Molten CaO–Al2O3–MnO and (Ca, Mn)S Solid Solution

机译：CaO·Al 2 O 3 饱和熔融CaO–Al 2 O 3 –MnO与（Ca的相平衡，Mn）S固溶体

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摘要

Refinement of austenite grains by generating intra granular ferrite (IGF) in austenite grains is one of the most effective methods for improving the toughness of the heat-affected zone (HAZ). It is known that MnS precipitated on fine oxides enhance formation of IGF in austenite grains. Flux composed of CaO–Al_(2)O_(3) is often used in secondary refining and Ca–Mn–Al complex oxide may form, and it is important to clarify the mechanism of MnS precipitation on oxide inclusions. Therefore, molten CaO–MnO–Al_(2)O_(3) oxide was equilibrated with (Ca, Mn)S solid solution in Al_(2)O_(3) crucible in an electric resistance furnace at 1648, 1698 and 1748 K in the present work. Phase relation between CaO·Al_(2)O_(3) saturated molten CaO–MnO–Al_(2)O_(3) oxide and (Ca, Mn)S solid solution was clarified.
机译：通过在奥氏体晶粒中生成内部颗粒铁素体（IGF）来细化奥氏体晶粒是提高热影响区（HAZ）韧性的最有效方法之一。已知在细氧化物上沉淀的MnS会增强奥氏体晶粒中IGF的形成。由CaO–Al_（2）O_（3）组成的助焊剂通常用于二次精炼，并且可能形成Ca–Mn–Al复合氧化物，因此阐明MnS沉淀在氧化物夹杂物上的机理非常重要。因此，用电阻炉中的Al_（2）O_（3）坩埚在1648、1698和1748 K的温度下用（Ca，Mn）S固溶体平衡熔融的CaO–MnO–Al_（2）O_（3）氧化物。目前的工作。阐明了CaO·Al_（2）O_（3）饱和熔融CaO–MnO–Al_（2）O_（3）氧化物与（Ca，Mn）S固溶体之间的相位关系。

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