[1]黄克坚,王利树,黎剑峰,等.双金属管极限弹性水压复合工艺研究[J].焊管,2014,37(6):37-39.[doi:1001-3938(2014)06-0037-03]
 HUANG Kejian,WANG Lishu,LI Jianfeng,et al.Research on Bimetal Pipe Elastic Limit Hydraulic Pressure Compound Technology[J].,2014,37(6):37-39.[doi:1001-3938(2014)06-0037-03]
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双金属管极限弹性水压复合工艺研究
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
37
期数:
2014年第6期
页码:
37-39
栏目:
工艺与设备
出版日期:
2014-06-28

文章信息/Info

Title:
Research on Bimetal Pipe Elastic Limit Hydraulic Pressure Compound Technology
文章编号:
1001-3938(2014)06-0037-03
作者:
黄克坚王利树黎剑峰徐 亮魏家乐
(番禺珠江钢管有限公司,广州 511450)
Author(s):
HUANG Kejian WANG Lishu LI Jianfeng XU Liang WEI Jiale
(Panyu Chu kong Steel Pipe Co., Ltd., Guangzhou 511450, China)
关键词:
双金属管水压复合极限弹性
Keywords:
bimetal pipe water pressure cladding extreme elasticity
分类号:
TG335.83
DOI:
1001-3938(2014)06-0037-03
文献标志码:
B
摘要:
基于双金属管水压复合工艺,提出了一种利用材料极限弹性膨胀特征曲线控制双金属管水压复合效果的方法。复合管接触应力试验表明,为了获得最佳的复合效果,外基管材质级别要尽可能高,而内衬管材质也应采用刚度匹配的材料;在内衬管和外基管的材料既定的情况下,复合过程采用的水压越大,复合管获得的剩余弹性势能越多,复合效果越好。复合管水压膨胀试验结果表明,当外基管的膨胀过程处于由弹性变形向塑性变形阶段过渡的拐点时,复合管将获得最大剩余弹性势能,可确保复合管双金属层达到最佳贴合状态。
Abstract:
Based on the bimetal pipe hydraulic composite process, it put forward a way to control bimetal pipe hydraulic composite effect by using the expansion characteristic curve of material limit elasticity. The contact stress test showed that in order to get the best composite effect, the material grade of outer tube should be as high as possible, and stiffness matching material should be adopted for lining tube. Under the condition of defined material for outside and inside pipe, the greater in water pressure in course of recombination process, the much more elastic potential energy to be obtained, and the recombination effect will be much better. The hydraulic expansion test result showed that when the expansion process is in the inflection point from elasticity deformation to plasticity deformation stage, the bimetal pipe will get maximum residual elastic potential energy, which can ensure that double metal layer to achieve the best attaching status.

参考文献/References:

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[6] SY/T 6623,内覆或衬里耐腐蚀合金复合钢管规范[S].
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备注/Memo

备注/Memo:
收稿日期:2014-03-07
作者简介:黄克坚(1968—),男,工学博士,主要从事材料加工、模具设计和制造工作。
更新日期/Last Update: