基于盲孔法的ABS热焊板件残余应力测量.pdf

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1、第44卷，第3期工程塑料应用Vol.44，No.3962016年3月ENGINEERINGPLASTICSAPPLICATIONMar.2016doi:10.3969/j.issn.1001-3539.2016.03.019基于盲孔法的ABS热焊板件残余应力测量111，21，211夏建盟，黄池光，许晶玮，汪炉林，胡付余，杨明(1.上海金发科技发展有限公司，上海201714；2.金发科技股份有限公司塑料改性与加工国家工程实验室，广州510663)摘要：采用盲孔法对4种丙烯腈–丁二烯–苯乙烯塑料(ABS)热焊板进行了残余应力的测量，获得

2、了这4种热焊板焊趾区的残余应力数据，结果发现，ABS经过热焊成型后容易在焊趾区形成较高的残余应力，随着测量时间的延长，热焊板焊趾区的残余应力逐渐增大，在测量7min后释放完全。为了验证盲孔法应用于塑料热焊板残余应力检测的可行性，对ABS热焊板母材区和焊趾区以及热处理前后焊趾区的残余应力进行了测量，同时测试了4种热焊板的焊接强度，发现母材区的残余应力低于焊趾区，80℃热处理后焊趾区的残余应力比热处理前的低，残余应力较低的热焊板具有较高的焊接强度，这些结果均表明盲孔法对塑料热焊板件残余应力测量结果具有一定的参考价值。关键词：塑料；盲孔法

3、；残余应力；测量中图分类号：TG404文献标识码：A文章编号：1001-3539(2016)03-0096-04MeasurementonResidualStressofThermalWeldingABSPlatesbyBlindHoleMethod111，21，211XiaJianmeng，HuangChiguang，XuJingwei，WangLulin，HuFuyu，YangMing(1.ShanghaiKingfaScienceandTechnologyCo.Ltd.，Shanghai201714，China；2.Natio

4、nalEngineeringLaboratoryforPlasticModificationandProcessing，KingfaScienceandTechnologyCo.Ltd.，Guangzhou510663，China)Abstract：AblindholemethodwasintroducedtomeasureresidualstressofthermalweldingplasticplatesincludingfourkindsofABSplates，theresidualstressvaluesofweldedtoe

5、zonesofthethermalweldingplasticplatesweregained.Theresultsshowthatafterwelding，thehigherresidualstressiseasytoformintheweldedtoezoneofABSplates，withincreaseofmeasuringtime，theresidualstressesoftheweldedtoezonesincreaseandreleasecompletelyaftermeasuring7min.Inordertoinv

6、estigatethefeasibilityofapplyingtheblindholemethodtothemeasurementontheresidualstressofplastics，theresidualstressesofbasezonesandweldedtoezonesofABSaswellastheresidualstressesofweldedtoezonesofABSbeforeandafterheattreatmentweremeasured，mean-while，theweldingstrengthsoft

7、hefourkindsofABSplatesweredetermined.Itispresentedthattheresidualstressesofbasezonesarelowerthanthoseofweldedtoezones，andtheweldedtoezonestreatedat80℃havelowerresidualstresses，theweldingABSplateswithlowresidualstresshavehighweldingstrength，whichshowthattheblindholemeth

8、odcanbereferenceformeasurementonresidualstressofthermalweldingplasticplates.Keywords：plastic；blindholemethod；residual