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几位作者已阐述过薄板应变速率敏感性与成形性之间的关系。本研究表明,将低碳薄板钢冷却到零度以下,其应变速率敏感性就能够得到明显的改进,应变速率敏感性的增加会导致成形性的改善。按实验室获得的应变速率,用试验方法测定了改进成形性的最佳条件:温度为～-70℃,间隙碳含量为～20ppm,最佳条件包括应变速率敏感性,应变硬化,断口应变值之间的调整,在这些条件下进行试验,成形性提高了～13%。
Several authors have described the relationship between sheet strain rate sensitivity and formability. This study shows that the low-carbon steel sheet cooled to below zero, the strain rate sensitivity can be significantly improved, the strain rate sensitivity will lead to improved formability. According to the laboratory strain rate, the optimum conditions for improving the formability were determined by the test method: the temperature is -70 ℃ and the gap carbon content is ~ 20ppm. The optimum conditions include strain rate sensitivity, strain hardening, fracture strain The adjustments between these conditions were tested and the formability was improved by ~ 13%.