초록

Nickel/titanium alloys having a nickel:titanium atomic ratio between about 1:02 and 1:13 and a vanadium content between about 4.6 and 25.0 atomic percent show constant stress versus strain behavior due to stress-induced martensite in the range from about 0°to 60°C.

대표청구항 ▼

A shape memory alloy consisting essentially of nickel, titanium, and vanadium within an area defined on a nickel, titanium, and vanadium ternary composition diagram by a hexagon with its first vertex at 38.0 atomic percent nickel, 37.0 atomic percent titanium, and 25.0 atomic percent vanadium; its s

A shape memory alloy consisting essentially of nickel, titanium, and vanadium within an area defined on a nickel, titanium, and vanadium ternary composition diagram by a hexagon with its first vertex at 38.0 atomic percent nickel, 37.0 atomic percent titanium, and 25.0 atomic percent vanadium; its second vertex at 47.6 atomic percent nickel, 46.4 atomic percent titanium, and 6.0 atomic percent vanadium; its third vertex at 49.0 atomic percent nickel, 46.4 atomic percent titanium, and 4.6 atomic percent vanadium; its fourth vertex at 49.8 atomic percent nickel, 45.6 atomic percent titanium, and 4.6 atomic percent vanadium; its fifth vertex at 49.8 atomic percent nickel, 44.0 atomic percent titanium, and 6.2 atomic percent vanadium; and its sixth vertex at 39.8 atomic percent nickel, 35.2 atomic percent titanium, and 25.0 atomic percent vanadium.