VUMAT for phase transformation in retained austenite of QP980 https://hdl.handle.net/11256/791 small strain rate dependent phase transformation model Thu, 21 May 2026 12:00:38 GMT 2026-05-21T12:00:38Z Phase transformation VUMAT for QP980 https://hdl.handle.net/11256/816 Phase transformation VUMAT for QP980 Bower, Allan F. https://hdl.handle.net/11256/816