超聲波攪拌及等溫?zé)崽幚韺?duì)ZL101合金半固態(tài)組織的影響
發(fā)布時(shí)間:2018-03-22 14:56
本文選題:ZL合金 切入點(diǎn):超聲波攪拌 出處:《材料導(dǎo)報(bào)》2015年10期 論文類型:期刊論文
【摘要】:采用超聲波攪拌和等溫?zé)崽幚碇苽鋃L101合金半固態(tài)坯料,研究了超聲波攪拌處理和等溫?zé)崽幚碇械葴販囟、等溫時(shí)間等工藝參數(shù)對(duì)ZL101半固態(tài)組織形貌的影響。研究結(jié)果表明:超聲波攪拌可有效細(xì)化和球化組織,消除組織缺陷;適當(dāng)?shù)牡葴靥幚砜梢悦黠@改善半固態(tài)ZL101的凝固組織;當(dāng)?shù)葴販囟葹?90℃、等溫時(shí)間為30min時(shí),半固態(tài)ZL101合金中初生α-Al相細(xì)化和球化效果最明顯;初生α-Al相的平均等積圓尺寸達(dá)到157μm,形狀因子達(dá)到0.87。
[Abstract]:The semisolid billets of ZL101 alloy were prepared by ultrasonic stirring and isothermal heat treatment. The isothermal temperatures of ultrasonic stirring and isothermal heat treatment were studied. The results show that ultrasonic stirring can refine and spheroidize the microstructure effectively, eliminate the microstructure defects, and the proper isothermal treatment can obviously improve the solidification structure of semi-solid ZL101. When the isothermal temperature is 590 鈩,
本文編號(hào):1649153
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