[1]李 辉,王鹏起,周 权,等.钢质管道防腐用聚乙烯拉伸性能研究[J].焊管,2017,40(12):63-68.[doi:DOI: 10.19291/j.cnki.1001-3938.2017.12.014]
 LI Hui,WANG Pengqi,ZHOU Quan,et al.Research on Tensile Property of Polyethylene for Anti-corrosion of Steel Pipe[J].,2017,40(12):63-68.[doi:DOI: 10.19291/j.cnki.1001-3938.2017.12.014]
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钢质管道防腐用聚乙烯拉伸性能研究()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
40
期数:
2017年第12期
页码:
63-68
栏目:
标准化
出版日期:
2017-12-28

文章信息/Info

Title:
Research on Tensile Property of Polyethylene for Anti-corrosion of Steel Pipe
文章编号:
DOI: 10.19291/j.cnki.1001-3938.2017.12.014
作者:
李 辉王鹏起周 权张培东张荣胜
?番禺珠江钢管(连云港)有限公司,江苏 连云港 222006
Author(s):
LI Hui WANG Pengqi ZHOU Quan ZHANG Peidong ZHANG Rongsheng
?Panyu Chu Kong Steel Pipe (lianyungang) Co., Ltd., Lianyungang 222006, Jiangsu, China
关键词:
钢管防腐聚乙烯断裂伸长率断裂拉伸应变断裂标称应变拉伸屈服应力
Keywords:
steel pipe anti-corrosion polyethylene elongation at break percent elongation at break nominal tensile strain at break yield strength
分类号:
TE988.2
DOI:
DOI: 10.19291/j.cnki.1001-3938.2017.12.014
文献标志码:
B
摘要:
为了提高钢质管道的防腐质量,对管道防腐用聚乙烯材料的拉伸性能进行了研究。介绍了国标中常用防腐材料拉伸试样类型及取值方法。对比分析了不同标准中不同类型拉伸试样的断裂伸长率、拉伸强度、拉伸屈服应力等参数。结果表明,不同试样类型拉伸数据存在一定差异,对于同种材料同样厚度来说,5A型原材料压塑试样断裂标称应变数据比1B和1BA型原材料压塑试样偏小约22%,而1B/1BA/IV型原材料压塑试样结果较为接近,1B涂层轴向试样比1BA涂层轴向试样更容易发生肩部断裂,但1B和1BA涂层的周向试样极少发生肩部断裂。最后对即将实施的GB/T 23257—2017防腐标准中的拉伸性能技术参数的定义提出了建议。
Abstract:
In order to enhance anti-corrosion quality of steel pipe, tensile property of polyethylene for anti-corrosion was researched. The tensile sample types and sampling methods of anti-corrosion materials in national standard were introduced. The elongation at break, tensile strength and yield strength of different tensile samples in different standards were compared and analyzed. The results showed that tensile data of different tensile samples had some differences, for the samples with same material and thickness, the data of nominal tensile strain at break of 5A raw material plastic pressure sample was about 20 percent smaller than 1B and 1BA raw material plastic pressure sample, the data of nominal tensile strain at break of 1B, 1BA and IV were similar; 1B coating axial sample was easy to occur shoulder fracture than 1BA coating axial sample, but 1B and 1BA coating circumferential samples occurred shoulder fracture rarely. Finally, the suggestions to definition of tensile property technical parameters in upcoming? GB/T 23257—2014 national anti-corrosion standard were given.

参考文献/References:

[1] 张怀志,阎功臣,景丽荣,等. 影响塑料拉伸试验结果的因素[J]. 工程塑料应用, 2005, 33(10): 51-53.
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备注/Memo

备注/Memo:

收稿日期: 2017-08-24

作者简介:李 辉(1970—), 男, 汉族, 工程师, 主要从事防腐原材料和防腐成品的质量控制等工作。

更新日期/Last Update: 2018-02-23