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汽车板簧的材料选择
- 2019-04-04-

    汽车钢板弹簧在汽车行驶过程中承受各种应力的作用,其中以反复弯曲应力为主,绝大多数是疲劳破坏,所以要求弹簧钢应有高的弹性极限以及弹性减退抗力好,较高的屈强比,为防止在交变应力下发生疲劳和断裂,弹簧应具有高的疲劳强度和耐蚀等性能。汽车板簧材料的选择有:20Cr、40CrNiMn、60Si2Mn、65Mn。下面比较一下这四种材料的性能及用途。  

1、30Cr 

 GAIGANGSHIZAIWOGUOXIANJIEDUANSHENGCHANLIANGJIAODADEHAODUOGEHEJINGONGJUGANGQIYI,ZHUYAOYONGTUPUBIAN。QIANGDUJIAOGAO。QIECIGANGBITONGYANGTANHANLIANGDEHEJINGANGJUBEIBUCUODECUITOUXING、KANGYAQIANGDUHERENXING。YIBIANTISHENGGAIGANGLIAODENAIMOXINGNENG,CHANGKAIZHANSHENDANJIEJUE(LIUYI:SHENDANSHIGANGDEJINGTIYOUZHANGDALEQINGXIANGXING),SUIHOUKAIZHANRECHULIHECHAODIWENCUIHUO,JINERQUEBAOMOJUBIAOCENGJUBEIHENGAORENXING、GAONAIMOXINGNENGERXINBUJUBEIFEICHANGHAODERENXING。CHANGJIANYUSHENGCHANZHIZAOHENGJIEMIANDIYU40mmDE、YANGZIJIANYIDE、ZHUANSUBIJIAOGAODESHENDANJIANHUOQINGHUAJIAN,RUQIGANGTAO、XIAOZHOUDENG;HAIKEYIYONGYIJIEDIAOGANGLINGBUJIAN。 

2、50CrNiMn 

 GAOCUITOUXINGDEDIAOZHIGANG,YOUGAODEKANGYAQIANGDU、RENXINGHEYOULIANGDECUITOUXINGHEKANGCHAOWENDEKEKAOXING,DANXIAOBAIDIANMINGANDUGAO,YOUCUIHUOYANXING。DIANHANHANJIEXINGJIAORUO,HANQIANXUJINGGAOWENJIARE,HANHOUXUQINGCHUDIYINGLI,JINGSHIXIAOCHULIHOUYINGYONG。YUNYONG:TONGCHANGZHIZUOKANGYAQIANGDUGAO、SUXINGBIANXINGHAODEGUANJIANLINGPEIJIAN,SHENDANCHULIHOUZHIZUODUTETEXINGGUIDINGDEGUANJIANLINGBUJIAN,RUZHOULEI、CHUANDONGCHILUN、BIAOZHUNJIANDENG;ZAICHAODIWENCUIHUOHUODENGWENCUIHUOHOUNENGZUOCHAOGAOQIANGDUGANGYINGYONG。

3、65Si2Mn 

 YINWEIGUIHANSHUILIANGGAO,QIKANGYAQIANGDUHEYANZHANXINGJIXIANJUNBI56Si2MnGAOKANGCUIHUOKEKAOXINGHAO,CUITOUXINGBUGAO,YIZENGTANHEGAOCHUNSHIMOHUA。GUANJIANZUOWEIQICHEDATUOLAJISHANGDEBANDANHUANG、YASUODANHUANGDENG。YEYONGYISHENGCHANZHIZAOCHENGDANJIAOBIANDIANCHANGHEZAIJIGAODIYINGLIXIAGONGZUOZHONGDEGUANJIANDANHUANG、NAIMOSUNHUANGDENG。

4、63Mn 

 GANGZHONGTIANJIAMENGWEI0.7%~1.3%,SHICUITOUXINGHEZONGHEXINGNENGZHUBUTIGAO,ZENGTANQINGXIANGXINGJIANSHAO,DANSHICHAOWENQINGXIANGXINGJICUIHUOYANXING,YICHUXIANRECHULILIEHEN。QIEMENGGANGJIAGEHUASUAN,BIJIAOFENGFU。YUNYONG:KEYONGYIYIBANMOJUDANHUANG;LENGCHONGMOJUTUMO;DANHUANGHUAN、QIMENHUANG。 

 GENJUZUOYOUJIAOWEI,RENMENFAJUE65Si2MnCUITOUXINGHAO、YANZHANXINGJIXIAN、QUQIANGBIHEQIANGDUJIXIANJUNJIAOGAO,NENGHEHUQICHEBANHUANGDETEXINGGUIDING。