Abstract
Spinning is one of forming method which forms the flat metal into cylindrical metal by pressing tool such as roller. This method is used to neck form, the high-pressure hydrogen storage container which is mounted in FCV. Liner of the container is applied the 6000 series aluminum alloy. Both of the ends of container are formed by hot spinning. It is impossible to remove die from the container after forming, so the container should be formed without forming die. In this case, there is issues that the forming defect may be introduced at the inner surface of container after neck-forming. Further, there is a possibility that the defect may lead to gas leak. In cold spinning, forming die is able to suppress the occurrence of defect such as inner surface defect, changing of thickness. On the other hand, the high-pressure hydrogen storage container is formed by hot spinning. Thus, this study evaluates effect of die on hot spinning of the 6000 series aluminum alloy.
