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测量了不同V、Ti、Nb含量的08Al钢深冲冷轧退火薄板的常规力学性能及深冲成形参数n值和r值,对测量结果进行了逐步回归分析。进行了抗时效及抗冷脆性试验。分析了添加稀土在钢中存在的形式。
The conventional mechanical properties of deep drawing cold rolled 08Al steel sheets with different content of V, Ti and Nb were measured, and the n and r values of deep drawing forming parameters were measured. The regression analysis of the measurement results was carried out. Anti-aging and cold embrittlement resistance tests were carried out. The form of rare earth addition in steel was analyzed.