New Process of Producing ELC-BH Sheet Steel with Very High r-value
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摘要: 提出一個生產具有極高r的超低碳高強度烘烤硬化鋼板(簡稱ELC-BH鋼板)的新工藝,即熱軋→卷取→組織預處理→冷軋→退火(快冷)工藝.實驗表明,與傳統工藝相比,采用新工藝研制的ELC-BH鋼板不僅強度和烘烤硬化性未受到損害,而且r值提高到2.67.Abstract: A new process by which an extra low-carbon and high strength bake-hard-ing with very high r-value can be produced is presented. The sheet produced by the process shows the same strength and bake-hardenability as that by conventional technology, but its r-value increases of 2.67.
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Key words:
- extras-low carbon steels /
- plastic strain ratio /
- high strength /
- bake-hardening
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