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naocan

木虫 (正式写手)

为什么要自定义头衔?

[求助] 铝合金T66热处理工艺

T66是经过工艺的特殊控制,其强度较T6高。但T66究竟是一个怎样的工艺规程呢?其具体操作过程如何实现呢?谢谢各位大侠交流互助!!!
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naocan

木虫 (正式写手)

为什么要自定义头衔?

引用回帖:
Originally posted by hui_jun_li at 2011-04-21 20:51:37:
I am not very sure whether you are familiar with Al heat treatment.
T66, basic temper is T6, indicating solution heat treatment, quenching and artificial ageing. Special undefined treatment to  ...

我说的是你前面提到的这个“T66: Cooled from an elevated temperature forming operation & artificially aged (precipitation hardened) to a higher level of mechanical properties through special control of manufacturing process. Press quenching required”
其实这个是T56的定义。
因为在《Aluminium and aluminium alloys Wrought products Temper designations》中定义如下:
T56:cooled from an elevated temperature shaping process and then
artificially aged mechanical property level higher than T5 achieved through special control of the process (6 000 series alloys)
T66:solution heat-treated and then artificially aged — mechanical property level higher than T6 achieved through special control of the process (6000 series alloys)

我也在有些资料上看到过T66像你说的那样定义的,但是应该是不对的,因为T66既然是在T6的基础上过来的就不可能是高温成型时淬火+时效。因此应该是T56。

那T66是不是这样的,就是在国际公认的如7000铝合金的T6为121℃/24h,只要通过改变时效工艺做出比这个时效制度强度高的都叫做T66?
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11楼2011-04-21 22:41:36
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hui_jun_li

木虫 (正式写手)

【答案】应助回帖

naocan(金币+2): 谢谢回帖交流 2011-04-21 08:39:50
引用回帖:
Originally posted by naocan at 2011-04-20 19:48:20:
T66是经过工艺的特殊控制,其强度较T6高。但T66究竟是一个怎样的工艺规程呢?其具体操作过程如何实现呢?谢谢各位大侠交流互助!!!

我给一个例子: AlZnMgCu1.5
T6 - Annealed at 475°C and aged at 125°C for 24 h
T66 - Annealed at 475°C, cold worked and aged at a temperature of 110°C for 30 h
2楼2011-04-20 23:32:22
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naocan

木虫 (正式写手)

为什么要自定义头衔?

引用回帖:
Originally posted by hui_jun_li at 2011-04-20 23:32:22:
我给一个例子: AlZnMgCu1.5
T6 - Annealed at 475°C and aged at 125°C for 24 h
T66 - Annealed at 475°C, cold worked and aged at a temperature of 110°C for 30 h

何以为据?不知能不能给出出处?谢谢
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3楼2011-04-21 08:39:24
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gx880324

铜虫 (小有名气)

【答案】应助回帖

楼主说的热处理是哪方面,是挤压还是时效抑或是固化?没说清楚啊
海纳百川,有容乃大,壁立千仞,无欲则刚
4楼2011-04-21 10:54:01
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