STRUCTURAL MEMBER FOR EYEGLASS, EYEGLASS FRAME COMPRISING THE STRUCTURAL MEMBER, AND PROCESSES FOR PRODUCTION OF THE STRUCTURAL MEMBER AND THE EYEGLASS FRAME

摘要

PROBLEM TO BE SOLVED: To provide a structural member for use in an eyeglass which has a super elastic property and a shape memory property while retaining an excellent biocompatibility in spite of the fact that it is Ni-free, and which also has an excellent cold workability; an eyeglass frame comprising the structural member; and a process for producing the structural member or eyeglass frame.;SOLUTION: The structural member for an eyeglass comprising a Ti-Nb-Zr alloy which comprises (A) 40 to 75% by weight of Ti, (B) 18 to 30% by weight of Nb, (C) 10 to 30% by weight of Zr and (D) 0.2 to 3.7% by weight of at least one additive metal element selected from the group consisting of Al, Sn, In and Ga.;COPYRIGHT: (C)2007,JPO&INPIT