VOLUMETRIC CHANGE AND PRESSURE-INDUCED GRAY-WHITE TRANSITION IN CAST IRONS

机译：在铸铁中的体积变化和压力引起的灰白色过渡

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Expansion behaviors in freezing FC, CV and SG cast irons have been investigated by the float method using a laser dilatometer. The volumetric expansion of FG cast iron on eutec-tic solidification agrees with the equation as a function of the modified carbon equivalent CE*(=%C+%Si/5). For the SG cast irons, no distinct dependence of expansion on composition was observed. Expansion pressure generated on the eutectic solidification of FG cast iron was estimated to be of the order of GPa. It has been predicted that the transition from gray to white would occur at less pressures.

机译：通过使用激光膨胀仪研究了浮动Fc，CV和SG铸造铁氧圈的膨胀行为。 FG铸铁对EUTEC-TIC凝固的体积膨胀与作为改性碳当量Ce *（=％C +％Si / 5）的函数的等式。对于SG铸造熨斗，观察到膨胀对组合物的不同依赖性。在FG铸铁的共晶凝固上产生的膨胀压力估计为GPA的顺序。已经预测，从灰色到白色的过渡将在更少的压力下发生。

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《World foundry congress on fonderie sans frontieres casting without borders giessen ohne grenzen》|1998年||共6页
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Akio Kagawa; Shoji Kiguchi; Masashi Osada;
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中图分类冶金技术;
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VOLUMETRIC CHANGE AND PRESSURE-INDUCED GRAY-WHITE TRANSITION IN CAST IRONS

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