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碳纤维拉伸性能的测试方法


时间:2012-04-06 08:30

(1:SUZHOUJINGMAOZHIYEJISHUXUEYUAN,SUZHOU215001 2:QUFUSHIFANDAXUEZIDONGHUAXI)

摘要:本文主要以一种镀复碳纤维进行的强力伸长测试实验,论述了碳纤维强力伸长的测试方法和测试要求,以期帮助相关人员找到实用的碳纤维拉伸性能的检测方法。

关键词:碳纤维 强力 拉伸 测试

1 YINYAN

TANXIANWEISHIYIZHONGLIXUEXINGNENGYOUYIDEXINCAILIAO,TADEBIZHONGBUDAOGANGDE1/4,TANXIANWEISHUZHIFUHECAILIAOKANGLAQIANGDUSHIGANGDE7~4BEI。TANXIANWEIZHUYAOYOULIANGZHONGSHENGCHANFANGSHI,YIZHONGSHIYIJUBINGXIJINGWEIYUANLIAODEPANJITITANXIANWEI,LINGYIZHONGSHILIQINGJIDETANXIANWEI。YOUYUYUANLIAO、MOLIANG、QIANGDUHEZUIHOUDERECHULIWENDUBUTONG,CHANSHENGLETEXINGBUTONGDEXIANWEI,QIANZHEYINGERCUIDECHANGYONGYUFUHECAILIAO,RUANERROUSHUNDECHANGYONGYUFANGZHI;HOUZHEDUOBEIYONGYUGONGCHENGYONGLIAO。

YOUYUTANXIANWEIJISHUDEFAZHAN、CHENGBENDEJIANGDIHECHANPINCHANLIANGDEZENGJIA,CHULEZAIHANGKONGHANGTIANYIJITIYUYONGPINYINGYONGWAI,HAIGUANGFANYINGYONGYUJIANZHU、YUNSHU、NENGYUANDENGLINGYU;TANFUHECAILIAOJIKEYIZUOWEIJIEGOUCAILIAOCHENGZAIZHONGHEYOUKEYIZUOWEIGONGNENGCAILIAOFAHUIZUOYONG,YIJINGCHENGWEIMOUXIEZHIPINDESHOUXUANCAILIAO。TANXIANWEIDETANHUAWENDU1000℃~2000℃,GAOWENDUANCHANSHENGGAOMOLIANGXIANWEI,ZHONGWENDUANCHANSHENGGAOQIANGDUXIANWEI,DIWENDUANSHENGCHANDIMOLIANG、DIQIANGDUXIANWEI;TANXIANWEIJUYOUYIDINGDEDAODIANXINGNENG。TANXIANWEIZHIWUDEWAIGUANLEISIYUZHESESICHOU,DANSHIQIKANGLA、JIANQIEQIANGDUSHIXIANGDANGYOUXIUDE。DANGRAN,YANJIUTANXIANWEIZHIWUQIANGDUHAIYAOCONGQIDANXIANWEIKAISHI。MUQIAN,RIBENZAITANXIANWEIDEYANJIUBIJIAOQIANYAN、BIAOZHUNWANSHAN,LIRU:JISK 1474HUOXINGTANSHIYANFANGFA、JIS R 7601 TANXIANWEISHIYANFANGFA、JIS K 1477XIANWEIZHUANGHUOXINGTANSHIYANFANGFA;GUOJIBIAOZHUNYEYOUISO 11566 TANXIANWEIDANXIANSHIYANGLASHENXINGNENGDECEDING。YOUYUTANXIANWEIDETESHUXINGNENG,TANXIANWEIQIANGLILASHENXINGNENGCESHIBIJIAOKUNNAN,BENWENCANZHAOLEZHEIXIEBIAOZHUNJINXINGLECESHIYANJIU。TANXIANWEIDELASHENXINGNENGCESHIFENDANSIFAHEFUSIFA。TANXIANWEIFENLICHENGWEIDANXIANWEIYIHOUFEICHANGCUIRUO,JIANQIEQIANGDUHENDI,SHAOYOUBUSHENJIUHUIDUANLIE,YINCIZAIMEICISHIYANGUOCHENGZHONG,XUYAOXIXIN、NAIXIN,BUYAODUISHIYANGZAOCHENGSUNSHANG。DANXIANWEIQIANGSHENXINGNENGSHIYANTONGCHANGCAIYONGZHIKUANGFAGUDINGSHIYANG,DANGRANYEBUPAICHUQITAFANGFA。

2 测试材料与仪器

YIBINGXIJINGWEIYUANLIAODEPANJITIDEDUFUTANXIANWEI,QUYANGPAN,LLY-06XINGTANXIANWEIQIANGLIJI。

3 测试方法

3.1测试标准

GUOJIATANXIANWEIDANGENXIANWEILASHENXINGNENGCESHIBIAOZHUNSHANGWEIFABU;GUOWAICAIYONGBIAOZHUN:ISO11566 《TANXIANWEIDANXIANSHIYANGLASHENXINGNENGDECEDING》、JIS R 7601《TANXIANWEISHIYANFANGFA》、JIS K1477《XIANWEIZHUANGHUOXINGTANSHIYANFANGFA》,ZHUYAOZHIBIAORUXIA:

RIBENBIAOZHUN(JIS)DELASHENGEJU10mm,LASHENSUDU0.5mm~10mm,CAIYONGCHENZHIGUDINGSHIYANG,TUSHIRUXIA。

GUOJIBIAOZHUN(ISO)DELASHENGEJU25mm,LASHENSUDU1mm~5mm,CAIYONGCHENZHIGUDINGSHIYANG,TUSHIRUXIA。

JIANYUSHIYANGDENANYICESHI,GUOWAIBIAOZHUNGUDINGSHIYANGDOUYOUYIGEGONGTONGDIAN:JIANGDANGENTANXIANWEIYONGSONGXIANGHUOQITAZHANHEJIGUDINGZAICHENZHISHANG。BENSHIYANCANZHAOGUOWAIBIAOZHUNDEJICHUSHANGJINXINGZONGHEXINGCHENG。DIAOSHIHESHIYANYONGBIAOZHUNDAQIANGB 6524ZHIXING:WENDUWEI(20±2)℃,XIANGDUISHIDU(65±3)%。

3.2 测试过程

3.2.1测试材料与制备

JIANQUSHIDANGZHANGDUDEGAITANXIANWEISHIYANYANGPIN,YONGGANGZHENYANZHEXIANWEIFANGXIANGJIANGQIFENLI,SHISHIYANYANGPINPENGSONGBIANYUCHOUQU。YONGQUYANGPANLAISHENGQUSHIYANG,WEIBAOZHENGCEDEJIEGUODEZHUNQUEXING,BUNENGDUITANXIANWEIZAOCHENGRENHESUNSHANG。CAIYONGGUOWAIBIAOZHUNZHIZUOCHENZHIHENMAFAN,ZAISHIYANGUOCHENGZHONGWOYONGDIANNAOZHITUZHAODAOYIGEJIANDANYIXINGDEFANGFA。QU0.1mmZUOYOUHOUDEDAYINZHIZUOJIPIAN;ANTU1CHICUNYONGWordZHITU,HUACHUYIGECHICUNHESHIDEKUANG,FUZHIMANA4ZHIDAYIN(TU1SHI25mmGEJULASHENCHICUN。RUO50mmGEJULASHENSHI,CAIQIEXIANDEZHANGDUYINGZENGJIAYIBEI);ZHICHIFANGYUCAIQIEXIANWENHEHOUYONGDAOPIANYANCAIQIEXIANJIANGSHIXIANBUFENCAICHU,RANHOULIANGDUANTIESHANG5mmKUANDESHUANGMIANJIAOZHI;CHOUQUFENLIDEDANGENTANXIANWEISHIYANYANGPIN,YANZHONGXINXUXIANFANGSHANG,BINGYONGSHUANGMIANJIAOZHIGUDING。YEKEYIYONGRONGHUAHOUDESONGXIANG,JIANGDANGENTANXIANWEI “HANJIE”ZAIZHIKUANGSHANG,QI“HANDIAN”QIDAOGUDINGDANGENTANXIANWEIDEZUOYONG(SHIYANZHENGMING:CAIYONG“HANJIE”FANGSHIMEIYOUSHUANGMIANJIAOZHIGUDINGFANGSHIHAOYONG,ERQIEJIACHISHIYANGSHIYAOLIKAI“HANDIAN”);ZAIYONG8~10mmKUANDEZHITIAO,YANZHECAIQIEXIANKUANDUFANGXIANGFUGAISHUANGMIANJIAOZHIHESHIYANYANGPINDUANTOU,YANJIANQIEXIANJIANQIE,FENLICHENGGUDINGZAIDANGEZHIKUANGSHANGDEDAICESHIYANG。ZHUYI:TANXIANWEIDEQUYANGBIJIAOKUNNAN,YOUQICHULIHOUDETANXIANWEI,HENXI,YEHENNANFENBIANSHIYIGENHAISHILIANGGEN,GENJUSHIYANZHONGQUXIANDUIBIJINXINGPANDUANRUGUOJILUXIADEQUXIANXIELVMINGXIANDAYUQITASHIYANGDEHENYOUKENENGSHILIANGGENXIANWEI,BIYAOSHIKEYIYONGFANGDAJINGPEIHEQUYANG。JIANGZHUNBEIHAODESHIYANGFANGZHIZAIDUIBIDUBIJIAODADEZHISHANG,YIBIANQINGCHUFENBIANSHIYANGWEIZHI,WEILEQINGCHUGUANCHASHIYANG,ZUIHAOZHUNBEIYIGELENGGUANGYUANTAIDENG。TAIDENGFANGZHIBUNENGTAIJIN,YIMIANREKONGQIDAOZHIDEQILIUYINQISHIYANGDEPIAODONG。

3.2.2测试

CESHICHENGXUYUYIQIXINGHAOYOUGUANXI。BUTONGYIQIXINGHAOQICESHIGUOCHENGBUTONG。XIAMIANFENBIEYONGLIANGZHONGLLY-06E、LLY-06XINGDANXIANWEIQIANGLIYIDECAOZUOGUOCHENGJIAYISHUOMING。DAKAIYIQIDIANYUANKAIGUAN,SHEDINGCAOZUOCHENGXU,GENJUSHIYANYAOQIUSHEDINGSUOXUGEJU,LIRU:25mm、50mm,BENCISHIYANQU50mm。

ANSHIYANYAOQIUSHEDINGSHIYANLASHENSUDU(1~5)mm/min,BENSHIYANQU:2mm/min,RUGUOCAIYONGSONGXIANGGUDINGSHIYANGSHI,SHANG、XIAJIACHIQIJIACHISHIYANGSHIYAOLIKAI“HANDIAN”,YIMIANSHIYANGTUOLUOHEDUANLIE。

BEICESHIYANGDEYIDUANJIACHIZAIDIANZISHITANXIANWEIQIANGLIYIDESHANGJIACHIQISHANG,SHIYANGLINGYIDUANJIACHIZAIXIAJIACHIQISHANG。CAIYONGHENGDINGDELASHENSUDULASHENSHIYANG,ZHIZHISHIYANGDUANLIE。JILUDANCIZHIDEDUANLIEQIANGLIHEDUANLIESHENZHANGDENGJISHUZHIBIAO,SHIYANJIESHUHOUYIQIZIDONGJICHUSUOYOUJISHUZHIBIAODETONGJIZHI。HEPCJILIANJIKEHUODESHISHIQUXIAN,BIANYUFENXIJISHUSHUJU。

3.2.2.1气动夹紧的拉伸试验(LLY-06E型

JIANGSHANGSHUZHUNBEIHAODEDAICESHIYANGYIDUANYANZHECAIQIEXIANKUANDUBIANYUAN,YONGSHANGJIACHIQIJIAJIN,LINGYIDUANYANZHECAIQIEXIANKUANDUBIANYUANBEIXIAJIACHIQIJIAJIN,BINGJIANGJIAJINDEDAICESHIYANGLIANGCEJIANDUAN,AN“LASHEN”,SHIXIAJIACHIQIXIAXING,SHIYANGDUANLIEHOU,XIAJIACHIQIZIDONGFANHUI。ZHONGFUCESHIGUOCHENG,ZUOWANSHEDINGCISHU。YIQIHUIZAISHIYANGUOCHENGZHONGZIDONGDAYINSHIYANJILU。YOUYUJIACHIQIMEIYOUZHIJIEJIACHISHIYANG,JIANSHAOLESHIYANGDUANLIEZAIQIANKOUDEGAILV。GAICESHISHIYONGYUQIDONGJIAJINJIACHIQIDEYIQI。RUXULIANJI,YINGZAIKAIQIDIANYUANQIANJIEHAOPCJIEKOU,KAIQIDIANNAO、QIDONGCHENGXU,GENJUYAOQIUSHEDINGSHUJU,RANHOUDIANJI“SHIYAN”JINRUSHIYANZHUANGTAI。

3.2.2.2手动夹持器夹紧的直接拉伸试验(LLY-06型

YOUYUSHEHUISHANGSHOUDONGJIACHI、TONGYONGDEDANXIANWEIQIANGLIYIJIAODUO,WOCENGJINGZAISHANGMIANZUOGUODALIANGSHIYAN。ZHEIYILEIDANXIANWEIQIANGLIYIDEJIACHIQIBUSHIHECHENZHIGUDINGSHIYANG,ZHIYOUYONGCHUANTONGFANGSHIJIACHILASHEN,SHIJIANZHENGMING:ZHIYAOYIQIJISHUDABIAO,XIXINYIXIEYEKEYIZUO,DANSHISHOUFAHENZHONGYAO。

JIANGSHANGJIACHIQIQUXIAPINGFANGZAICHENDIANSHANG,BAYISHUTANXIANWEISHIYANYANGPINFANGZAIJIACHIQIZUOQIANFANG;YOUSHOUXIANGYOUCHOUQUYIGENTANXIANWEI,ZUOSHOUTUIDONGJIACHIQI(ZHU:YOUSHOUBUDONG),PEIHETANXIANWEIDAORUJIACHIQIQIANKOUNEISHIDANGDEZHANGDU,YOUSHOUTUOKAISHIYANG,ZUOSHOUXUANJINJIACHIQI。

ZUOSHOUBAJIACHIQIGUAZAICHUANGANQIDEDIAOGOUSHANG,ZHEISHISHIYANGCHENGZIRANXUANCHUIZHUANGTAI,YOUSHOUQINGQINGJIANGTANXIANWEIDAORUXIAJIACHIQINEI,ZUOSHOUJIANGXIAJIACHIQIXUANJIN;AN“LASHEN”JIANXIAJIACHIQIKAISHIXIAXING,SHIYANGDUANLIEHOUXIAJIACHIQIZIDONGFANHUI。ZHONGFUCIGUOCHENGYIWANCHENGSHEDINGCISHU,YIQIHUIZAISHIYANGUOCHENGZHONGZIDONGDAYINSHIYANJILU。ZAISHIYANZHONG,RUGUOSHIYANGJINGCHANGDUANLIEZAIQIANKOU,KEYIKAOLVZAIQIANKOUBAOFUYICENGCHENDIAN。

4 结果与分析

SHIYANANZHAO3.2.1ZHIBEILESHIYANG,CAIYONG3.2.2.1MIAOSHUDEFANGFAJINXINGLESHIYAN,SHICESHUJUJIANXIABIAO:

LLY-06ESHUJUBAOBIAO

SHIYANYUAN: ZHANGBIN BIAO ZHUN: ISO11566 PIHAO:2-2-2 YANGPINMINGCHENG:DUFUTANXIANWEI

GE JU: 50 mm SUDU: 2 mm/min WENSHIDU: 22℃ 60 % CISHU: 20

次数 断裂强力
cN
断裂伸长
mm
伸长率 % 断裂功 mJ 断裂时间
s
屈服强力
cN
屈服伸长
mm
初始模量
cN/tex
001 18.6 1.06 2.121 0.096 31.813 18.57 2.12 0.846
002 20.5 1.165 2.33 0.112 34.945 20.5 2.32 0.8
003 19.4 1.056 2.113 0.098 31.688 19.42 2.12 0.85
004 18.8 1.094 2.188 0.097 32.816 18.75 2.18 0.775
005 19.6 1.182 2.363 0.107 35.446 19.56 2.36 0.709
006 18 1.065 2.129 0.091 31.939 17.95 2.12 0.769
007 19.9 1.152 2.305 0.108 34.569 19.88 2.3 0.781
008 21.6 1.236 2.472 0.126 37.074 21.63 2.48 0.775
009 19.2 1.094 2.188 0.102 32.816 19.25 2.18 0.826
010 18.9 1.106 2.213 0.098 33.191 18.85 2.22 0.765
011 17.8 1.073 2.146 0.089 32.189 17.84 2.14 0.739
012 17.8 1.035 2.071 0.091 31.062 17.84 2.08 0.824
013 18 1.077 2.154 0.093 32.315 17.99 2.16 0.773
014 21.8 1.232 2.463 0.131 36.949 21.81 2.46 0.82
015 19.2 1.198 2.396 0.108 35.947 19.17 2.4 0.713
016 17.5 1.052 2.104 0.086 31.563 17.5 2.1 0.751
017 19.7 1.182 2.363 0.109 35.446 19.7 2.36 0.731
018 17.6 1.106 2.213 0.09 33.191 17.6 2.22 0.691
019 20.5 1.223 2.447 0.118 36.698 20.5 2.44 0.743
020 17.8 1.052 2.104 0.091 31.563 17.84 2.1 0.796
平均值 19.11 1.122 2.244 0.102 33.661 19.108 2.243 0.774
最大值 21.8 1.236 2.472 0.131 37.074 21.81 2.48 0.85
最小值 17.5 1.035 2.071 0.086 31.062 17.5 2.08 0.691
CV% 6.738 5.998 5.998 12.364 5.997 6.746 5.987 5.854

TU2QIANGLI-SHENZHANGQUXIAN

CONGCEDESHUJULAIKANCHULEDANGENTANXIANWEIDETEXING:DUANLIEQIANGLIBIJIAOXIAO,DUANLIESHENZHANGLVHENXIAO,LASHENQUXIANCHENGXIANXING,QUFUDIANHEDUANLIEDIANJIHUWENHE。

5 结论

TANXIANWEIDANGENLASHENXINGNENGJIANCEDENANDIANZAIYUQIJIANQIEQIANGDUHENDI,SHAOYOUBUSHENJIUHUIDUANLIE,TONGGUO3.2.1MIAOSHUDESHIYANGZHIBEIHOU,SHIYANJIUHUIBIJIAORONGYI。ZAIGUOWAIBIAOZHUNSHIYANGZHIBEIGUDINGSHIYANGDOUYOUYIGEGONGTONGDIAN:JIANGDANGENTANXIANWEIYONGSONGXIANGHUOQITAZHANHEJIGUDINGZAICHENZHISHANG,JINGSHIYANXIAOGUOMEIYOUYONGSHUANGMIANJIAOZHIGUDINGSHIYANGFANGBIAN、KEKAO。YOUYUTANXIANWEIDEDUANLIESHENZHANGLVHENXIAODETEXING,CAIYONGBIJIAODADEGEJUSHIDUIDE。TONGYONGDANXIANWEIQIANGLIYIBINGFEIZUOBULETANXIANWEIDANGENLASHENXINGNENGJIANCE,SHIJIANZHENGMING:ZHIYAOYIQIJISHUZHIBIAOFUHEYAOQIU,XIXINYIXIEYEKEYIZUO,DANSHISHOUFAHENZHONGYAO。

参考文献

1 ISO11566《TANXIANWEI DANXIANSHIYANGLASHENXINGNENGDECEDING》

2 JIS R 7601《TANXIANWEISHIYANFANGFA》

3 JIS K1477《XIANWEIZHUANGHUOXINGTANSHIYANFANGFA》

4 JISK 1474HUOXINGTANSHIYANFANGFA

FABIAOYU《FANGZHIBIAOZHUNYUZHILIANG》2007.4