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    • 2. 发明授权
    • 단조가공에 의한 타이타늄 합금 빌렛의 제조방법
    • 锻造钛合金坯料的制造方法
    • KR101782066B1
    • 2017-09-27
    • KR1020160035060
    • 2016-03-24
    • 포항공과대학교 산학협력단
    • 원종우이종수이용문
    • B21J1/04B21J1/06B21J1/00C22C14/00C22F1/18
    • B21J1/04B21J1/003B21J1/06C22C14/00C22F1/183
    • 본발명은군수와민수산업의핵심소재인타이타늄합금에관한것으로, 미세조직적인결함이최소화되고등축정알파상을갖는고품질의타이타늄합금빌렛을제조할수 있는방법에관한것이다. 본발명에따른방법은, (a) Al: 3~5중량%, Fe: 3~5중량%, Si: 0.1~0.5중량%, 나머지타이타늄과불가피한불순물을포함하는타이타늄합금을베타단조가공하는단계와, (b) 베타단조된타이타늄합금을베타(β) 전이온도(= 1198K)보다높은온도로가열한후 수냉하여마르텐사이트조직을생성하는단계와, (c) 마르텐사이트조직이생성된타이타늄합금을온도 1050K ~ 1173K, 변형속도 10s~ 2s로단조가공하는단계를포함하는것을특징으로한다.
    • 本发明涉及一种军用和民用涉及钛合金行业的芯材,如何能具有微结构缺陷的高质量的钛合金坯料的生产被最小化,例如chukjeongα相。 根据本发明的方法中,(a)的Al:3〜5重量%,Fe:3〜5重量%,Si:0.1〜0.5%(重量),含有余量钛和不可避免的杂质构成的钛合金包括:机加工的β锻造 和,(b)和产生由水冷却加热的β锻造钛合金的β(β)转变之后比温度高的马氏体组织(= 1198K)的温度,(c)一种马氏体结构产生钛合金 温度为1050 K至1173 K,应变速率为10 s至2 s。
    • 6. 发明公开
    • 우수한 강도와 연성을 갖는 초미세결정립 다상 타이타늄 합금 및 그 제조방법
    • 具有优异强度和坚固性的超细晶粒多相钛合金及其制造方法
    • KR1020140110523A
    • 2014-09-17
    • KR1020130025011
    • 2013-03-08
    • 포항공과대학교 산학협력단
    • 이태경이종수허윤욱이용문
    • C22F1/18C22C14/00
    • C22F1/183B21B3/00C22C14/00
    • The present invention relates to a titanium alloy having a low elastic coefficient and excellent biocompatibility and having strength higher than that of a conventional medical titanium alloy and a remarkably improved ductility, thereby being suitably applied especially in a medical field, and a method for manufacturing thereof. According to the present invention, a method for manufacturing a titanium alloy includes (a) heat-treating a titanium alloy at or above a beta transformation temperature; (b) water-cooling the heat-treated titanium alloy; (c) plastic working the titanium alloy by applying deformation amount equal to or greater than 80% with respect to a cross-section reduction rate to the water-cooled titanium alloy at temperatures ranging from 500-700°C; and (d) water-cooling the plastic-worked titanium alloy.
    • 本发明涉及具有低弹性系数和优异的生物相容性并且具有比常规医用钛合金高的强度和显着改善的延展性的钛合金,因此特别适用于医疗领域及其制造方法 。 根据本发明,钛合金的制造方法包括:(a)在β相变温度以上进行钛合金的热处理; (b)对经热处理的钛合金进行水冷; (c)通过在500-700℃的温度范围内对水冷钛合金的横截面减小率施加等于或大于80%的变形量来塑性加工钛合金; 和(d)对塑料加工的钛合金进行水冷。