不同工艺条件制备半固态ZL101合金的显微组织

张传; 潘冶

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不同工艺条件制备半固态ZL101合金的显微组织
Microstructures of ZL101 Alloy in Semi-solid Forming by Various Techniques
2003年第3期页码：23-25
纸质出版日期： 2003 ，
DOI：

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[1]张传,潘冶.不同工艺条件制备半固态ZL101合金的显微组织[J].特种铸造及有色合金,2003(03):23-25+2.

Zhang Chuan Pan Ye. Microstructures of ZL101 Alloy in Semi-solid Forming by Various Techniques[J]. Special Casting & Nonferrous Alloys, 2003,(3):23-25.
[1]张传,潘冶.不同工艺条件制备半固态ZL101合金的显微组织[J].特种铸造及有色合金,2003(03):23-25+2. DOI：

Zhang Chuan Pan Ye. Microstructures of ZL101 Alloy in Semi-solid Forming by Various Techniques[J]. Special Casting & Nonferrous Alloys, 2003,(3):23-25. DOI：

摘要

在不同工艺条件下成功制备了半固态ZL10 1合金铸锭

研究了凝固和冷却条件对显微组织的影响。用初生α相的形状系数和等效直径定量描述半固态组织的形貌和尺寸

给出了测定数据。结果表明

在 62 0℃和 640℃浇注条件下

对熔体适当激冷或施加振动可有效细化颗粒状初生α相

提高颗粒的圆整度。在砂型和薄壁金属型的凝固冷却条件下获得了较理想的半固态合金显微组织

Abstract

ZL101 alloy ingot has been prepared successfully in semi-solid forming by different techniques. Effects of solidification and cooling conditions on microstructure of the alloy were investigated. Morphology and size of the microstructure in semi-solid forming were quantitatively examined by shape factor and equivalent diameter of primary α phase and the measured data were listed. The results showed that the primary α phase can be well granulated and fined by appropriate chilling or properly vibrating at pouring temperatures 620 ℃ and 640 ℃. The ideal microstructures of the alloy in semi-solid forming can be realized in sand mould or thin-walled metal mould.