DICT.TW Dictionary Taiwan

 mar·tens·ite /ˈmɑrtṇˌzaɪt/
 馬氏體

 martensite
      n : a solid solution of carbon in alpha-iron that is formed when
          steel is cooled so rapidly that the change from austenite
          to pearlite is suppressed; responsible for the hardness
          of quenched steel