公开(公告)号：US08876993B2

公开(公告)日：2014-11-04

申请号：US13419798

申请日：2012-03-14

申请人： Yukimasa Miyata ,  Shinji Yoshihara ,  Minwoo Kang

发明人： Yukimasa Miyata ,  Shinji Yoshihara ,  Minwoo Kang

IPC分类号： C22F1/053

CPC分类号： C22F1/053 ,  C21D1/673 ,  C22C21/10

摘要： A casted ingot of a heat treatment type Al—Zn—Mg series aluminum alloy comprising Zn: 4.0-8.0% by mass, Mg: 0.5-2.0% by mass, Cu: 0.05-0.5% by mass, Ti: 0.01-0.1% by mass, and any one or more of Mn: 0.1-0.7% by mass, Cr: 0.1-0.5% by mass and Zr: 0.05-0.3% by mass, and the balance being aluminum and incidental impurities is extruded at a homogenization treatment temperature after a homogenization treatment without cooled, and a resulted extruded material is die quenched at a cooling rate equal to or more than 100° C./min and then subjected to an artificial aging treatment, wherein the homogenization treatment is carried out by heating to the homogenization treatment temperature as 430-500° C. at a heating rate less than 750° C./hr or by heating to the homogenization treatment temperature and held the homogenization treatment temperature for 3 hours.

摘要翻译： 含有Zn：4.0〜8.0质量％，Mg：0.5〜2.0质量％，Cu：0.05〜0.5质量％，Ti：0.01-0.1质量％的热处理型Al-Zn-Mg系铝合金铸造锭， ，Mn：0.1-0.7质量％，Cr：0.1-0.5质量％，Zr：0.05〜0.3质量％中的任一种或以上，余量由铝和附带杂质在均化处理中挤出 未冷却均质处理后的温度，所得到的挤出材料以等于或大于100℃/分钟的冷却速度进行猝熄，然后进行人造时效处理，其中均化处理通过加热至 均质处理温度为430-500℃，加热速率小于750℃/小时或通过加热至均化处理温度并保持均化处理温度3小时。

公开(公告)号：US20120234440A1

公开(公告)日：2012-09-20

申请号：US13419798

申请日：2012-03-14

申请人： Yukimasa MIYATA ,  Shinji Yoshihara ,  Minwoo Kang

发明人： Yukimasa MIYATA ,  Shinji Yoshihara ,  Minwoo Kang

IPC分类号： C22F1/053

CPC分类号： C22F1/053 ,  C21D1/673 ,  C22C21/10

摘要： A casted ingot of a heat treatment type Al—Zn—Mg series aluminum alloy comprising Zn: 4.0-8.0% by mass, Mg: 0.5-2.0% by mass, Cu: 0.05-0.5% by mass, Ti: 0.01-0.1% by mass, and any one or more of Mn: 0.1-0.7% by mass, Cr: 0.1-0.5% by mass and Zr: 0.05-0.3% by mass, and the balance being aluminum and incidental impurities is extruded at a homogenization treatment temperature after a homogenization treatment without cooled, and a resulted extruded material is die quenched at a cooling rate equal to or more than 100° C./min and then subjected to an artificial aging treatment, wherein the homogenization treatment is carried out by heating to the homogenization treatment temperature as 430-500° C. at a heating rate less than 750° C./hr or by heating to the homogenization treatment temperature and held the homogenization treatment temperature for 3 hours.

摘要翻译： 含有Zn：4.0〜8.0质量％，Mg：0.5〜2.0质量％，Cu：0.05〜0.5质量％，Ti：0.01-0.1质量％的热处理型Al-Zn-Mg系铝合金铸造锭， ，Mn：0.1-0.7质量％，Cr：0.1-0.5质量％，Zr：0.05〜0.3质量％中的任一种或以上，余量由铝和附带杂质在均化处理中挤出 未冷却均质处理后的温度，所得到的挤出材料以等于或大于100℃/分钟的冷却速度进行猝熄，然后进行人造时效处理，其中均化处理通过加热至 均质处理温度为430-500℃，加热速率小于750℃/小时或通过加热至均化处理温度并保持均化处理温度3小时。