本文在研究温度对 QSn6.5-0.1合金再结晶退火后组织、性能影响的基础上,绘制了再结晶全图,讨论了形变强化前原始晶粒大小对形变强化和低温退火强化的影响。结果表明,降低最终再结晶退火温度,获得细小的原始组织是提高合金性能的有效途径。最终再结晶退火温度由600℃降为450℃,晶粒直径可以减少55μm,强度提高50MPa,再经过轧制变形和低温退火后可获得吏显著的强化效果。 Based on the study of the effect of temperature on microstructure and properties of QSn6.5-0.1 alloy after recrystallization and annealing, the full graph of recrystallization was drawn. The effect of the original grain size on the deformation strengthening and low temperature annealing strengthening before deformation was discussed. The results show that reducing the final recrystallization annealing temperature and obtaining the fine primary structure are effective ways to improve the properties of the alloy. The final recrystallization annealing temperature from 600 ℃ to 450 ℃, the grain diameter can be reduced by 55μm, the strength increased by 50MPa, and then after rolling deformation and low temperature annealing can obtain significant strengthening effect.