24小时热门版块排行榜    

Znn3bq.jpeg
北京石油化工学院2026年研究生招生接收调剂公告
查看: 1335  |  回复: 4

caiwangtan

金虫 (正式写手)


[交流] 【求助】镁合金轧制方向

镁合金的轧制方向对力学性能影响大不大? 也就是说平行于轧制方向和垂直于轧制方向对焊接后抗拉强度影响大不大?谢谢
回复此楼

» 猜你喜欢

» 本主题相关价值贴推荐,对您同样有帮助:

» 抢金币啦!回帖就可以得到:

查看全部散金贴

已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

国产科比

木虫 (著名写手)


caiwangtan(金币+2):谢谢 2010-11-25 11:27:23
不大,起码拉伸性能影响不大,我实验过
2楼2010-11-15 21:06:37
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

lvfengimr

至尊木虫 (著名写手)


caiwangtan(金币+2):谢谢 2010-11-25 11:30:38
有影响  一般横向性能优于轧向
3楼2010-11-16 08:03:36
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

金教授

新虫 (小有名气)


引用回帖:
Originally posted by caiwangtan at 2010-11-15 13:14:16:
镁合金的轧制方向对力学性能影响大不大? 也就是说平行于轧制方向和垂直于轧制方向对焊接后抗拉强度影响大不大?谢谢

Magnesium alloys have strong planar anisotropy, e.g., the tensile properties in 0, 45 and 90 deg to RD are very different. This is due to the fact that magnesium alloys usually have h.c.p. structure. Generally speaking, the lower the symmetry of lattice unit, the higher the anisotropy. For example, h.c.p. magnesium has much stronger anisotropy than f.c.c. aluminum. The strong anisotropy in magnesium alloys can be explained by (i) the texture, (ii) slip system and (iii) Schmid factor.

The texture in magnesium sheets is mainly the basal texture {0001}<11-20>. During deformation, there are 4 possible slip systems:

(1)        Basal {0001}<11-20>
(2)        Prismatic {10-10}<11-20>
(3)        Pyramidal {11-22}<11-2-3> + {10-12}<11-20>
(4)        Twinning <10-11> on {10-12}

At elevated temperature, it is more complex because grain boundary sliding is involved. When you calculate the Schmid factors at different directions, you will see that tensile at 45 deg to RD is the easiest, and tensile at 0 deg is slightly easier than at 90 deg. Therefore, it is often observed that YS-45 < YS-0 < YS-90 and EL-45 > EL-0 > EL-90. However, it is also dependent on the chemical composition, the temper (as-rolled or fully annealed), the grain size, the forming temperature and many other factors. Sometimes the difference between the 0 deg and 90 deg is not very obvious, and it may also be reverse in some alloys under certain conditions, i.e., YS-0 > YS-90 and EL-0 < EL-90.

[ Last edited by 金教授 on 2010-11-16 at 10:52 ]
4楼2010-11-16 10:50:42
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

jdxq

木虫 (著名写手)


对于镁合金,细晶强化不能是深冲性能提高,反而降低了!
5楼2013-03-07 09:39:07
已阅   回复此楼   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 caiwangtan 的主题更新
普通表情 高级回复 (可上传附件)
最具人气热帖推荐 [查看全部] 作者 回/看 最后发表
[考研] 293调剂 +4 yj1221 2026-04-08 4/200 2026-04-08 06:09 by lijunpoly
[考研] 327求调剂 +6 Xxjc1107. 2026-04-06 6/300 2026-04-08 00:27 by JourneyLucky
[考研] 化学308分求调剂 +14 你好明天你好 2026-04-07 16/800 2026-04-07 23:09 by JourneyLucky
[考研] 化工求调剂! +24 RichLi_ 2026-04-06 24/1200 2026-04-07 17:17 by 蓝云思雨
[考研] 一志愿北京2,材料与化工308求调剂 +16 熊二想上岸 2026-04-04 17/850 2026-04-07 14:58 by BruceLiu320
[考研] 328求调剂 +4 ghhh88888 2026-04-06 5/250 2026-04-07 14:45 by ghhh88888
[考研] 285求调剂 +15 哦呦呼o 2026-04-04 17/850 2026-04-06 23:02 by chenzhimin
[考研] 求助071001调剂!!! +4 黄守松 2026-04-05 5/250 2026-04-06 10:55 by 1028907439
[考研] 调剂 一志愿吉林大学357分 +5 .Starry. 2026-04-04 5/250 2026-04-06 09:28 by cql1109
[考研] 085600,320分求调剂 +16 大馋小子 2026-04-04 17/850 2026-04-06 07:58 by MOF_Catal
[考研] 找调剂 +10 楚乔乔 2026-04-01 10/500 2026-04-05 22:19 by syh9288
[考研] 277求调剂 +5 考研调剂lxh 2026-04-05 5/250 2026-04-05 19:03 by chy09050039
[考博] 申博 +7 IQwQl 2026-04-04 7/350 2026-04-04 23:32 by mumin1990
[考研] 能动调剂326专硕 +4 wan112233 2026-04-04 4/200 2026-04-04 22:47 by yu221
[考研] 286求调剂 +3 草木不言 2026-04-04 3/150 2026-04-04 22:40 by lbsjt
[考研] 282电子信息0854专硕调剂 +4 202451007219 2026-04-02 6/300 2026-04-04 21:55 by laoshidan
[考研] 331求调剂 +3 niby 2026-04-02 3/150 2026-04-04 19:56 by 蓝云思雨
[考研] 325求调剂 +4 春风不借意 2026-04-04 4/200 2026-04-04 14:46 by 湘农储能材料
[考研] 一志愿东北大学085901土木专硕345求调剂 +3 zxt11111 2026-04-04 3/150 2026-04-04 14:21 by 土木硕士招生
[考研] 315分 085602 求调剂 +15 26考研上岸版26 2026-04-02 15/750 2026-04-03 12:45 by xingguangj
信息提示
请填处理意见