高温对RSPAl－Fe－V－Si系合金组织与性能的影响

来源期刊：中南大学学报(自然科学版)1996年第3期

论文作者：徐移恒 李松瑞 黎文献 肖于德 龙春光 杨士豹

文章页码：320 - 323

关键词：快速凝固; 再结晶; 耐热铝合金

Key words：rapid solidification; recrystallization; aluminium alloy for elevated temperature applications

摘    要：采用多级快速凝固制粉装置制各RSPAL－FE－V－SiFVS0812合金粉,运用TEM,XRD对合金冷轧板高温稳定性进行了研究.结果表明;在550℃下长时间退火,合金仍保持相当高的硬度;在600℃下退火12h,可观察到再结晶发生,并伴随有{110}再结晶织构出现.合金中大量的第2相粒子延缓了再结晶的发生,提高了组织与性能的稳定性

Abstract: Multistage RS powder-making device was applied to produce RS FVS0812 alloy powder.The thermal stability of cold rolled alloy exposed at high temperature was investigated by means of TEM and XRD. The results show that RSP Al-Fe-V-Si alloy for elevated temperature applications retains considerable hardness after long exposure at high temperature up to 550℃. Annealed at 600℃ for 12 h, recrystallization is observed with the appearance of recrystallization texture {110}. The large volume fraction of Al12 （FeV）3 Si particles accounts for the delay of recrystallization at high temperature,thus improving the elevated temperature properties and stability of the alloy.