This standard specifies the method for thermal cycle testing of shape memory alloy compression coil springs and tension coil springs (hereinafter referred to as coil springs), which are carried out by fixing them at a constant strain.
JIS H 7106:2002 history
2002JIS H 7106:2002 Method of fixed strain thermal cycling test for coil springs of shape memory alloys
1993JIS H 7106:1993 Method of fixed strain thermal cycling test for coil springs of shape memory alloys