wanqushiyanshicedingcailiaochengshouwanquzaiheshidelixuetexingdeshiyan，shicailiaojixiexingnengshiyandejibenfangfazhiyi。wanqushiyanshi，shiyangyiceweidanxianglashen
，lingyiceweidanxiangyasuo，zuidazhengyinglichuxianzaishiyangbiaomian，duibiaomianquexianmingan，yinci
，wanqushiyanchangyongyujianyancailiaobiaomianquexianrushentanhuobiaomiancuihuocengzhiliangdeng。

彎曲試驗在萬能材料機上進行，有三點彎曲和四點彎曲兩種加載荷方式。試樣的截麵有圓形和矩形，試驗時的跨距一般為直徑的10bei。duiyucuixingcailiaowanqushiyanyibanzhichanshengshaoliangdesuxingbianxingjikepohuai，erduiyusuxingcailiaozebunengcechuwanquduanlieqiangdu，dankejianyanqiyanzhanxinghejunyunxingzhanxinghejunyunxing。suxingcailiaodewanqushiyanchengwei冷彎試驗。試驗時將試樣加載
，使其彎曲到一定程度，觀察試樣表麵有無裂縫。

常用彎曲試驗測試標準：

ASTM E290

GB/T 232

ISO 7438         

JIS Z 2248-2006COR.1