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Abstract:
针对TiB2颗粒增强铝基复合材料中颗粒易大面积团聚问题,采用自主设计的分层电磁搅拌设备制备 TiB2/A356 铝基复合材料,结合OM、SEM、EDS等测试手段,研究了分层电磁搅拌工艺(初始搅拌温度、搅拌时间)对TiB2/A356 组织的影响.结果表明,当初始搅拌温度为640℃,搅拌时间为30 s时,分层电磁搅拌工艺对TiB2颗粒团聚体分散效果最佳,其团聚体尺寸为5~10 μm;分层电磁搅拌工艺可以加强熔体间的对流,细化α-Al相,破碎TiB2颗粒团聚体,改善TiB2颗粒的团聚现象.
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特种铸造及有色合金
ISSN: 1001-2249
Year: 2025
Issue: 3
Volume: 45
Page: 381-386
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 0
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