细柄阿丁枫的物理力学性质研究  

Mechanical Property of Chinese Altingia

作　　者：云朝光 唐庆 韦鹏练[2] YUN Chao-guang;TANG Qing;WEI Peng-lian(Nanning Arboretum,Nanning,Guangxi 530000;Forestry College of Guangxi University,Nanning,Guangxi 530004)

机构地区：[1]南宁树木园,南宁530000 [2]广西大学林学院,南宁530004

出　　处：《陕西林业科技》2019年第6期14-16,共3页Shaanxi Forest Science and Technology

基　　金：南宁树木园优质用材树木科研项目。

摘　　要：本研究对细柄阿丁枫的物理力学性质进行了测定与分析,结果显示细柄阿丁枫的气干密度、基本密度、绝干密度为0.730、0.710、0.667 g·cm^-3;径向、弦向和体积干缩率分别为2.61%、2.57%和13.1%,干缩系数分别为0.101、0.103和0.524;端面、径面、弦面三个面的硬度的分别为61.3、37.8和36.7 MPa;顺纹抗压强度为55.5 MPa;抗弯弹性模量为14490.6 MPa;抗弯强度为111.81 MPa;冲击韧性大小94.06 kg·m^-2,综合强度为167.9 MPa。The physical and mechanical properties of Chinese altingia were tested and determined.The results showed that the air-dry density,basic density and absolute dry density of Chinese altingia were 0.730 g·cm^-3,0.710 g·cm-3 and 0.667 g·cm^-3.Radial,chord direction and volume dry shrinkage rates were 2.61%,2.57%and 13.1%,respectively,and dry shrinkage coefficients were 0.101,0.103 and 0.524,respectively.The hardness of the end surface,diameter surface and chord surface is 61.3 Mpa,37.8 Mpa and 36.7 Mpa respectively.The compressive strength is 55.5 Mpa.The elastic modulus of bending resistance is 14490.6 Mpa.Bending strength is 111.81 MPa;The impact toughness is 94.06 kg·m^-2,and the comprehensive strength is 167.9 MPa.

关 键 词：细柄阿丁枫 物理性质 力学性质 

分 类 号：Q949.751.4[生物学—植物学]