欢迎来到天天文库
浏览记录
ID:52342351
大小:859.58 KB
页数:4页
时间:2020-03-26
《三层PE热收缩带补口材料抗压性能测试研究.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、78第4J卷,第3期工程塑料应用Vo1.41.NO.32013年3月ENGINEERINGPLASTICSAPPLICATIONMar.2叭3doi:lO.3969~.issn.1001-3539.2013.03.017三层PE热收缩带补口材料抗压性能测试研究杜畅,王勇,曹宁,刘明磊[中国石油大学(华东),山东青岛266580】摘要:选取目前国内外几种典型的三层聚乙烯(PE)热收缩带补口材料产品,通过改进的压痕试验(加载压力选用5和10MPa,试验温度选用23~(2和50~C,延长加载时间至360h)测
2、定其压深比(压痕深度/原始厚度),讨论了结合热熔胶、试验温度、加载压力等因素对热收缩带压深比的影响,得到了能够表征目前常见PE热收缩带抗压性能的一般性规律,即高温测试条件下是否结合热熔胶对PE热收缩带的压深比影响不大,室温测试条件下结合热熔胶的PE热收缩带的压深比较高;试验温度对PE热收缩带压深比的影响最大,其次为加载压力,PE热收缩带压深比随试验温度和加载压力的升高而增加。经单个热收缩带产品的抗压性能测试验证,除加载压力对压深比的影响略大于试验温度的影响外,其余均符合所得到的一般性规律。关键词:三层聚
3、乙烯热收缩带;压痕试验;压深比;抗压性能;影响因素中图分类号:TQ320.77文献标识码:A文章编号:1001.3539(2013)03-0078.04CompressionResistanceTestof3LayerPEHeatShrinkableSleeveFieldCoatingMaterialforWeldedJointDuChang,WangYong,CanNing,LiuMinglei[ChinaUniversityofPetroleum(HuaDong),Qingdao266580,Chi
4、na】Abstract:Severaltypical3layerpolyethylene(PE)heatshrinkablesleevefieldcoatingmaterialsforweldedjointwerechose,thenindentationdepthratios(indentationdepth/originthickness)ofthemwerecharacterizedthroughimprovingindentationtestsuchasloadingpressureinclud
5、ing5and10MPa,testtemperatureincluding23℃and50℃,loadingtimebeingextendedto360h,effectsofjointinghot-meltadhesive,testtemperatureandloadingpressureontheindentationdepthratioswerediscussedandgeneralruleswihchcancharacterizethecompressionresistanceofthecommo
6、nPEheatshrinkablesleeveatpresentweregained.Therulesarethatwhetherornotjointinghot—meltadhesivehaslittleefectontheindentationdepthratiointhetestconditionsofhightemperature,buttheindentationdepthratioofthePEheatshrinkablesleevejointedwithhot—meltadhesivein
7、thetestconditionsofroomtemperatureishigher,theefectoftesttemperatureontheindentationdepthratioishighestandloadingpressureisnext,theindentationdepthratioincreaseswithtesttemperatureandloadingpressureincreasing.Throughverificationofcompressionresistancetes
8、tofsinglePEheatshrinkablesleeveproduct,thecompressionresistancetestresultsofthesingleproductarealmostinaccordancewiththerulesgainedaboveexceptthattheefectofloadingpressureontheindentationdepthratioisslightlyhigherthantheef
此文档下载收益归作者所有