冲击实验报告-共6页.pdf

1 2?k 3gb/t 229?199410mm?10mm?55mm uv121 23/4 5n1-0.1%3-4-1?n6?n1?10 1.2.-jbw-30020#40cr-akak-10-410-2mm/s102104mm/spugb/t229-19941-2ppp-1-2bha ae=gh=gl(1-cos)(1-1)ce1=gh=gl(1-cos)(1-2)e-e1,ak:ak=e-e1=gl(cos-cos)(1-3)gnlmm1-3-p1.2.3.4.h5.aku.-6.p1.ku.akus0ku=(j/cm2)(1-4),akuu(j);s0(cm2)kupp2.1.2.t8-akak-tak50%dbtt50%fatt0%100%2.1.gb/t229-1994()2.2.t810mm*10mm*55mmu 2.3 jb-30b300j(10j)5.05.5m/s10%90%10 x2.5/0.08 160/0.21-4.1-4.2-60-40-30-2004.3 34.4 4.5 54.6 5.1 1 12 25.2 5.2.1 5.2.2%gb/t 12778-20081(1)%1 acmm2a0-mm2 5.2.3-60ak=6j100%5.3 originboltzmann impact absorbing energy/ak(j)t(centigrade)q235originak197j,0jak=100jt=-17.5 ett50-17.5.p=50%t=-7.7fatt50=-7.7.5.3.2.t8impact absorbing energy(j)temperature(centigrade)percentage of brittle failure area(%)t8t8temperature(centigrade)impact absorbing energy(j)originak289j,70jak=180jt=19.7 ett50-19.7.p=50%t=-25fatt50=-25.6.1.t8q235-20q235t8-6.2.q235t8q235t8q2351.gb/t 229-1994.6 h-m.2009.3 11 2 2 1.-2.pp3.4.1-1pugb/t229-19941-2pp1-2 p-1-2bhaae=gh=gl(1-cos)(1-1)ce1=gh=gl(1-cos)(1-2)e-e1,ak:ak=e-e1=gl(cos-cos)(1-3)gnlmm1-3-p1.2.3.1-41-44.h5.aku.-6.p1.ku.akuku=s02 (j/cm)(1-4),akuu(j);s0(cm2)kupp2.p1.kukuku2.r-