Design of hot tearing test apparatus for cast alloys

摘要

In this study new apparatus has been made to enable a quantitative investigation of hot tearing. By this apparatus even while the new apparatus does not have any peak or visible occurrance of cracks, the hot tearing susceptibility of different alloys can be compared. Hot tearing susceptibility can be determined by a count of strain rate in the mushy zone and can also be determined by the occurrence of temperature and solid fraction in hot spot. The accuracy of this apparatus can be compared with another method using a load cell, however its use and its usage are very simple and do not need special experience.