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对工业LF6铝合金进行固相结合/超塑成形组合工艺的探索性试验获得成功。研究表明,由东北轻合金加工厂供应的热轧板经温轧复合的板材具有一定的超塑性,可进行超塑成形。轧制连接时,变形量越大,结合强度越大。轧制复合后,扩散退火温度对结合强度有显著影响。由于复合板最佳扩散退火温度(480℃)与最佳超塑变形温度(480—510℃)吻合,因此轧制复合板的扩散退火和超塑成形可同时进行。
Exploratory trials of a combination of solid-phase / superplastic for industrial LF6 aluminum alloys have been successful. The research shows that the hot-rolled plate supplied by Northeast Light Alloy Processing Plant has some superplasticity through superplasticizing and can be superplasticized. Rolling connection, the greater the amount of deformation, the greater the bond strength. After rolling compounding, the diffusion annealing temperature has a significant effect on the bonding strength. Due to the optimum diffusion annealing temperature (480 ℃) and the optimum superplastic deformation temperature (480-510 ℃), the diffusion annealing and the superplastic forming of the clad plate can be carried out simultaneously.