Pengaruh Metode Pencelupan terhadap Transformasi Fasa dan Sifat Mekanik Paduan Ingat Bentuk Cu-22,31Al-5,3Mn (Persen Atomik) = Effect of Quenching Method on Phase Transformation and Mechanical Properties of Cu-22,31Al-5,3Mn (Atomic Percent) Shape Memory Alloy