24小时热门版块排行榜    

查看: 111  |  回复: 0
当前主题已经存档。

feilipu189

金虫 (正式写手)

[交流] 【请教】【请教】AMS5663中一段话的理解

precipitation heat treatment:heat to a temperature within the range 1325 to 1400F,hold at the selected temperature for approximately 8 hours,cool at 100F degrees per hour to a temperature with the range 1150 to 1200F,hold at the selected  temperature for approximately 8 hours and air cool.Istead of the 100 F degrees per hour cooling rate to 1150 to 1200 F,the product may be furnace cooled at rate provided the time at 1150 to 1200F is adujsted to give a total preciptation heat treatment time of approximately 18 hours.
请教各位,第二种方法的18小时中,降温的那段时间是不是可以多到10个小时,还是只能是2个小时左右.
回复此楼

» 猜你喜欢

已阅   关注TA 给TA发消息 送TA红花 TA的回帖
相关版块跳转 我要订阅楼主 feilipu189 的主题更新
信息提示
请填处理意见