WebJan 6, 2024 · The microstructures and corrosion resistance of electromagnetic stirring (EMS) semi-solid slurry and as-cast 7A04 aluminum alloy were compared in this work. The results show that the primary... Web摘要: 在含有表面粗晶层组织的7A04高强度铝合金锻件上取样,设计一种非均匀材料四点弯曲疲劳试验,研究粗晶组织对7A04铝合金疲劳强度的影响。 结果表明,表面粗晶组织会降低7A04铝合金试样表面驻留滑移带的形成抗力,导致疲劳裂纹更容易在粗晶层组织表面萌生,削弱了材料的疲劳性能。 English Abstract 全文HTML 铝合金是航空航天以及轨道交 …
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