Article(id=1309475259041013857, tenantId=1146029695717560320, journalId=1189873562199433220, issueId=1309475253038964788, articleNumber=null, orderNo=null, doi=10.19710/J.cnki.1003-8817.20250272, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1790132830628, onlineDateStr=2026-09-23, pubDate=1771516800000, pubDateStr=2026-02-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1790132830628, onlineIssueDateStr=2026-09-23, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1790132830628, creator=13701087609, updateTime=1790132830628, updator=13701087609, issue=Issue{id=1309475253038964788, tenantId=1146029695717560320, journalId=1189873562199433220, year='2026', volume='', issue='2', pageStart='1', pageEnd='72', issueExtLink='null', onlineDate='null', pubDate='1771516800000', pubDateStr='2026-02-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1790132829198, creator='13701087609', updateTime=1790133031676, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1309476102360367135, tenantId=1146029695717560320, journalId=1189873562199433220, issueId=1309475253038964788, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1309476102360367136, tenantId=1146029695717560320, journalId=1189873562199433220, issueId=1309475253038964788, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=64, endPage=72, ext={EN=ArticleExt(id=1309475259238146146, articleId=1309475259041013857, tenantId=1146029695717560320, journalId=1189873562199433220, language=EN, title=Research on the Low-Speed Collision Performance of Automotive Recycled Plastic Bumper Covers, columnId=null, journalTitle=Automobile Technology & Material, columnName=null, runingTitle=null, highlight=null, articleAbstract=

To study the applicability and advantages and disadvantages of recycled plastics in the automotive field, bumpers skins are made from recycled and virgin polypropylene plastics (RPP and VPP), and the low-speed collision performance of the 2 materials'bumpers is compared and analyzed using a pendulum impact system. The results show that no fracture occurred after the test of the 2 material bumpers under different impact strengths, but the width of the RPP bumper abrasion is larger than that of the VPP, and the visual performance is not excellent. The impact force generated by the collision under the same load was less than that of the VPP, but the impact time is reversed, indicating that the impact acceleration of the RPP bumper is more modest, which is more advantageous in pedestrian protection. In addition, the mechanical properties of materials are analyzed in order to investigate the reasons for the variation in test. The yield elongation of the VPP material is lower than that of the RPP (35%) and the impact strength and energy absorption are slightly great. This allows the RPP bumper skin to generate the same deformation with less force (less impact acceleration). The performance of RPP bumpers is close VPP due to the advantage of additives of RPP and the greater melt fluidity.

, authors=Zihan Zhao^{1, 2}, Yuyao Zhou³, Yiquan Zhao^{1, 2}, Tongzhu Zhang¹, Yujie Qin⁴, authorsList=Zihan Zhao, Yuyao Zhou, Yiquan Zhao, Tongzhu Zhang, Yujie Qin, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1309475259510775907, articleId=1309475259041013857, tenantId=1146029695717560320, journalId=1189873562199433220, language=CN, title=再生聚丙烯塑料保险杠蒙皮低速碰撞性能研究, columnId=1190284221747925509, journalTitle=汽车工艺与材料, columnName=材料应用, runingTitle=null, highlight=null, articleAbstract=

为研究再生塑料在汽车领域的适用性及优劣势，使用再生和原生聚丙烯塑料（RPP、VPP）制备成保险杠蒙皮，并使用摆锤冲击系统对2种材料保险杠的低速碰撞性能进行对比分析。结果表明，不同冲击强度下，2种材料保险杠试验后均未发生断裂，但RPP保险杠擦伤宽度大于VPP材料，外观性能表现不佳；RPP材料同负载下碰撞产生的冲击力小于VPP材料，冲击时间更长，表明RPP保险杠的冲击加速度更小，在行人保护方面更具优势。为探究低速碰撞性能差异原因，对2种材料的力学性能进行分析，结果显示，VPP材料的屈服伸长率高于RPP材料，冲击强度和冲击吸能略低于VPP材料，使RPP材料保险杠蒙皮产生相同形变时的作用力较小，即拥有更小的冲击加速度。由于助剂作用及再生塑料本身熔融流动性较好，RPP保险杠性能接近VPP。

, authors=赵子晗^{1, 2}, 周宇耀³, 赵一权^{1, 2}, 张铜柱¹, 秦玉洁⁴, authorsList=赵子晗, 周宇耀, 赵一权, 张铜柱, 秦玉洁, authorCompany=null, correspAuthors=null, authorNote=, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=Gbpknbne5ukNpH2Q6jBCqg==, magXml=Ru7H+6t7DWrTKzeCHatqew==, pdfUrl=null, pdf=SamNo+V5G03zPQQBVKErDg==, pdfFileSize=2350673, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=cc5UN4xQhvGG2Ucj8empEQ==, mapNumber=null, fund=null)}, authors=[Author(id=1309475260097978481, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1309475259041013857, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1309475260173475956, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1309475259041013857, authorId=1309475260097978481, language=EN, stringName=Zihan Zhao, firstName=Zihan, middleName=null, lastName=Zhao, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=^{1, 2}, address=^1.China Automotive Technology and Research Center Co., Ltd., Tianjin 300300
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赵子晗（1996—），男，工程师，硕士学位，研究方向为汽车及零部件检测、汽车绿色环保、双碳相关政策及技术。

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赵子晗（1996—），男，工程师，硕士学位，研究方向为汽车及零部件检测、汽车绿色环保、双碳相关政策及技术。

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