《杨氏模量实验报告数据处理》由会员分享，可在线阅读，更多相关《杨氏模量实验报告数据处理（2页珍藏版）》请在装配图网上搜索。
1、杨氏模量实验报告数据处理：如=cm；零点读数D0 = 0.000mm； % =字皿m.i(kg)h.i(cm)hi(cm)h.i(cm)Ah=h - h.J +3J(cm)SAhj=0.3338cmAmj(kg)DimmSm=0.0062mm105.625.685.6503.775S, =0.0195 hcm60.498Sd=0.0025cm226.847.156.9950.504347.898.418.1953.660UaAh=0.0258cm60.499UaD=0.0028cm469.189.599.3850.5005810.5210.7910.6653.600UAh=0.0395cm60
2、.505UD=0.0036cm61011.7911.7900.501平均3.66560.501B=96.52cmB=7.054cml=78.65cmuD=0.017cmDub=0.002cmul=0.017cm1、单次测量uB=0.05/3=0.017cm； ub =0.002/l=0.002cm； %=0.05/3=0.017cm2、多次测量0.0702 + 0.0052 + 0.0652S = 0.338cm勿2S =碁=0.0195cm从 3u = 1.32 X S = 0.0258cmaAhAhuh =0.02582 + (0.1/ 3)2 = 0.0395cm0.0032 + 0.0
3、032 + 0.0022 + 0.0012 + 0.0042 + 0S = 0.0062mmDi5Sr = S./ 6=0.0025mmDDifUaD = 1-11 % .25 = O.28如uD =0.00282 + (0.001/ 3)2 = 0.0036mm8% 0.9652 % 0.7865 % 6% 9.83.14% (0.0005010)2 % 0.07054% 0.03665=1.6989 X 1011N/m2mi =1dE 2udx.叫I8lmg 28Bmg2 8lmg 228lmg 12u + u +u +u +nD2bh b冗D2bh 1nbh D3 d2bhb b8lmg2u nD 2 bAh Ah=EX2 2 2 2 2巧+ 陀+ 呵+ 陀+ 妆=1.6989 X 0.01797 X 1011IBDbAh=0.031N/m2所以，E=E + uE=(1.6990.031)X 1011 N/m2
杨氏模量实验报告数据处理
