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【中国科学报】中国科大研制出耐极端温度仿生超弹性“碳弹簧”

2021-08-31 中国科学报 桂运安
【字体:

yuyinbobao

  zhongguokexuejishudaxueyushuhongyuanshituanduichenggongyanzhichuyizhongjianjugaokeyasuoxinghekelashenxingdechaodanxingquantanduokongcailiao“tandanhuang”,dutedeweiguanjiegouhexingnengshiqichengweizhizaozhinengzhendonghecixingchuanganqijiandelixiangcailiao,suohuodedechuanganqijianshenzhinengzaijiduanwenduhuanjingxia(-100℃dao350℃)youxiaodifahuizuoyong。gaichengguoriqianfabiaoyu《xianjincailiao》。

  ciqian,gaituanduishourenlei“zugong”dehongguandanxinggongxingjiegouqifa,jiezhutamenfazhandeshuangxiangbingmobanjishu,chenggonggouzhuleyouweigongjiegoudanyuanyouxuduidiegouchengdequantanduokongcailiao。jinlai,tamenzaicicong“gong”dedanxingbianxingjizhizhonghuoqulinggan,tongguoshenruyanjiubiaoming,yinrudezheizhongdutedezhangchengyouxucengzhuangweigongjiegou,bujinkeyijiejueduokongtancailiaodeyasuocuixingwenti,erqiekeyiyouxiaojiejueqilashencuixingwenti。zheizhong“tandanhuang”keyizaidayingbianfanweineishixiankenidelashenheyasuoxingbian,bingnengwanquanhuidan,leisiyuzhenzhengdejinshudanhuang。ciwai,yanjiurenyuantongguojieheyuanweisaomiaodianjingguanchaheyouxianyuanmoni,zhengshileqidanxingbianxingjizhi。

  jiyugai“tandanhuang”dedutebianxingjizhihejixiexingnengyijilianghaodedaodianxing,yanjiurenyuanjiangqizuoweiguanjianbujian,chenggongyanzhilekejianceweixiaozhendongdeyingbianchuanganqijian,bingnengduiduozhongfuzadezhendongmoshizuochulingminxiangying,qizhongbaokuomonidedizhenbozhendong。

  ciwai,yanjiurenyuantongguoyuxianjiangsiyanghuasantienamilizigongzuzhuangdaocailiaokuangjiazhong,huodelekebeicichangqudongdecixingtandanhuang。gaicixingtandanhuangyekebeiyongzuoguanjianbujian,jinerzhizaochengleyizhongxinxingcixingchuanganqijian。gaicixingchuanganqikelingminditancedaoxiaozhi0.4 haotesiladeweixiaocichang。zheiliangzhongchuanganqijianjunkeyizaijiduanwenduhuanjingzhongwendingdifahuizuoyong,zheizhongduteyoushishiqiyoukenengbeiyingyongdaowaitaikongtancerenwuzhong。

  xiangguanlunwenxinxi:http://doi.org/10.1002/adma.202102724

  (原载于《中国科学报》 2021-08-31 第4版 综合)
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