INSTITUT NATIONAL DES SCIENCES APPLIQUEES DE RENNES;CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
发明人:
Thierry Gloriant,Doina Gordin
申请号：
US14357559
公开号：
US09677162B2
申请日:
2012.11.07
申请国别(地区):
US
年份:
2017
代理人:
摘要：
The invention relates to a method for manufacturing a titanium alloy having superelastic properties and/or shape memory for biomedical use, which comprises the steps of: preparing an ingot by melting the various metals that form the desired alloy in a vacuum； optionally homogenizing the ingot in a vacuum by high-temperature annealing (higher than 900° C.)； first quenching； mechanical shaping (rolling, drawing, machining or the like)； heat treatment for redissolution in beta phase beyond the beta transus temperature (until a second temperature and then maintaining same for a certain time)； and second quenching； characterized in that said heat treatment phase is carried out in a gaseous atmosphere and also constitutes a surface treatment suitable for forming on the surface a layer of nitride, carbonitride, oxide, oxynitride or the like.
