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DISSOLUTION OF CHROMIUM CARBIDE Cr_3C_2 IN Kh17N2 STEEL DURING SINTERING

机译:烧结过程中Kh17N2钢中碳化铬Cr_3C_2的溶解

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摘要

The effect of sintering temperature (900-1300°C) on the interaction of Cr_3C_2 with a Khl7N2 steel matrix is studied. It is shown that complex iron-chromium carbide of (Cr, Fe)_xC type forms during sintering. With increasing temperature, it undergoes a number of phase transformations. The following mechanism of Cr_3C_2 dissolution in the steel matrix is established: Cr_3C_2 - > 900°C (Cr, Fe)_2C - > 1050°C (Cr, Fe)_7C_3 - > 1200°C (Cr, Fe)_(23)C_6 - > 1300°C (Cr, Fe)_2C.
机译:研究了烧结温度(900-1300℃)对Cr_3C_2与Khl7N2钢基体相互作用的影响。结果表明,在烧结过程中会形成(Cr,Fe)_xC型复铁碳化铬。随着温度的升高,它经历了许多相变。建立了以下Cr_3C_2在钢基体中的溶解机理:Cr_3C_2-> 900°C(Cr,Fe)_2C-> 1050°C(Cr,Fe)_7C_3-> 1200°C(Cr,Fe)_(23) C_6-> 1300°C(Cr,Fe)_2C。

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