金屬拉力機對材料做拉伸試驗中Z常規試驗參數

金屬拉力機對材料做拉伸試驗中zui常規試驗參數：

zui大(da)荷(he)(he)(he)(he)(he)重N         公(gong)式(shi)=Fp   【zui大(da)荷(he)(he)(he)(he)(he)重Fp,】   抗拉(la)強度MPa       公(gong)式(shi)=Fp/A 【zui大(da)荷(he)(he)(he)(he)(he)重Fp除(chu)(chu)以(yi)截面積(ji)A】   彈(dan)性(xing)(xing)模(mo)量(liang)Mpa       公(gong)式(shi)=El*Lg/A【彈(dan)性(xing)(xing)系(xi)數(shu)(shu)El乘(cheng)以(yi)標(biao)(biao)(biao)距(ju)(ju)(ju)(ju)(ju)Lg除(chu)(chu)以(yi)截面積(ji)A。備(bei)注：計算(suan)彈(dan)性(xing)(xing)模(mo)量(liang)所用到(dao)(dao)的(de)(de)(de)(de)彈(dan)性(xing)(xing)系(xi)數(shu)(shu)El所取(qu)曲線上(shang)(shang)(shang)的(de)(de)(de)(de)彈(dan)性(xing)(xing)段(duan)區間(jian)范圍在(zai)測(ce)(ce)(ce)試(shi)(shi)(shi)程(cheng)(cheng)(cheng)序(xu)主(zhu)畫面→功能(neng)  選(xuan)擇(ze)→功能(neng)設(she)定(ding)→金(jin)(jin)(jin)(jin)屬(shu)參數(shu)(shu)里→*屈(qu)(qu)(qu)(qu)服(fu)(fu)點(dian)(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)(de)從X%的(de)(de)(de)(de)zui大(da)荷(he)(he)(he)(he)(he)重到(dao)(dao)X%的(de)(de)(de)(de)zui大(da)荷(he)(he)(he)(he)(he)重一般設(she)置為從20%的(de)(de)(de)(de)zui大(da)荷(he)(he)(he)(he)(he)重到(dao)(dao)50%的(de)(de)(de)(de)zui大(da)荷(he)(he)(he)(he)(he)重，所以(yi)彈(dan)性(xing)(xing)模(mo)量(liang)只與(yu)*屈(qu)(qu)(qu)(qu)服(fu)(fu)點(dian)(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)(de)2個(ge)荷(he)(he)(he)(he)(he)重百分比(bi)相關】    上(shang)(shang)(shang)屈(qu)(qu)(qu)(qu)服(fu)(fu)強度Mpa     公(gong)式(shi)= Fyp/A 【上(shang)(shang)(shang)屈(qu)(qu)(qu)(qu)服(fu)(fu)點(dian)(dian)(dian)(dian)(dian)(dian)(dian)荷(he)(he)(he)(he)(he)重Fyp除(chu)(chu)以(yi)截面積(ji)A。備(bei)注：只要所測(ce)(ce)(ce)試(shi)(shi)(shi)金(jin)(jin)(jin)(jin)屬(shu)材(cai)料具有明(ming)(ming)顯(xian)(xian)屈(qu)(qu)(qu)(qu)服(fu)(fu)階段(duan)才需要求(qiu)算(suan)上(shang)(shang)(shang)下(xia)屈(qu)(qu)(qu)(qu)服(fu)(fu)強度】   下(xia)屈(qu)(qu)(qu)(qu)服(fu)(fu)強度Mpa     公(gong)式(shi)= FypL/A 【下(xia)屈(qu)(qu)(qu)(qu)服(fu)(fu)點(dian)(dian)(dian)(dian)(dian)(dian)(dian)荷(he)(he)(he)(he)(he)重Fyp除(chu)(chu)以(yi)截面積(ji)A。備(bei)注：只要所測(ce)(ce)(ce)試(shi)(shi)(shi)金(jin)(jin)(jin)(jin)屬(shu)材(cai)料具有明(ming)(ming)顯(xian)(xian)屈(qu)(qu)(qu)(qu)服(fu)(fu)階段(duan)才需要求(qiu)算(suan)上(shang)(shang)(shang)下(xia)屈(qu)(qu)(qu)(qu)服(fu)(fu)強度】   金(jin)(jin)(jin)(jin)屬(shu)拉(la)伸(shen)(shen)Rp0.2  MPa 或者(zhe)叫  *屈(qu)(qu)(qu)(qu)服(fu)(fu)強度  公(gong)式(shi)= Fy1/A 【*屈(qu)(qu)(qu)(qu)服(fu)(fu)點(dian)(dian)(dian)(dian)(dian)(dian)(dian)荷(he)(he)(he)(he)(he)重Fy1除(chu)(chu)以(yi)截面積(ji)A。備(bei)注：*屈(qu)(qu)(qu)(qu)服(fu)(fu)點(dian)(dian)(dian)(dian)(dian)(dian)(dian)，第(di)(di)二(er)屈(qu)(qu)(qu)(qu)服(fu)(fu)點(dian)(dian)(dian)(dian)(dian)(dian)(dian)設(she)置在(zai)測(ce)(ce)(ce)試(shi)(shi)(shi)程(cheng)(cheng)(cheng)序(xu)主(zhu)畫面→功能(neng)選(xuan)擇(ze)→功能(neng)設(she) 定(ding)→金(jin)(jin)(jin)(jin)屬(shu)參數(shu)(shu)里】    金(jin)(jin)(jin)(jin)屬(shu)拉(la)伸(shen)(shen)Rp0.5  MPa 或者(zhe)叫  第(di)(di)二(er)屈(qu)(qu)(qu)(qu)服(fu)(fu)強度  公(gong)式(shi)= Fy2/A 【第(di)(di)二(er)屈(qu)(qu)(qu)(qu)服(fu)(fu)點(dian)(dian)(dian)(dian)(dian)(dian)(dian)荷(he)(he)(he)(he)(he)重Fy2除(chu)(chu)以(yi)截面積(ji)A。備(bei)注：*屈(qu)(qu)(qu)(qu)服(fu)(fu)點(dian)(dian)(dian)(dian)(dian)(dian)(dian)，第(di)(di)二(er)屈(qu)(qu)(qu)(qu)服(fu)(fu)點(dian)(dian)(dian)(dian)(dian)(dian)(dian)設(she)置在(zai)測(ce)(ce)(ce)試(shi)(shi)(shi)程(cheng)(cheng)(cheng)序(xu)主(zhu)畫面→功能(neng)選(xuan)擇(ze)→功能(neng)設(she) 定(ding)→金(jin)(jin)(jin)(jin)屬(shu)參數(shu)(shu)里】  斷(duan)(duan)(duan)(duan)后(hou)(hou)伸(shen)(shen)長(chang)率(lv) %       公(gong)式(shi)=Le/Lg*100【伸(shen)(shen)長(chang)量(liang)Le除(chu)(chu)以(yi)標(biao)(biao)(biao)距(ju)(ju)(ju)(ju)(ju)Lg乘(cheng)以(yi)100。備(bei)注：計算(suan)金(jin)(jin)(jin)(jin)屬(shu)斷(duan)(duan)(duan)(duan)后(hou)(hou)伸(shen)(shen)長(chang)率(lv)一般是在(zai)測(ce)(ce)(ce)試(shi)(shi)(shi)前(qian)在(zai)金(jin)(jin)(jin)(jin)屬(shu)試(shi)(shi)(shi)樣上(shang)(shang)(shang)打(da)2個(ge)標(biao)(biao)(biao)點(dian)(dian)(dian)(dian)(dian)(dian)(dian)，2標(biao)(biao)(biao)點(dian)(dian)(dian)(dian)(dian)(dian)(dian)之間(jian)的(de)(de)(de)(de)距(ju)(ju)(ju)(ju)(ju)離(li)(li)即為標(biao)(biao)(biao)距(ju)(ju)(ju)(ju)(ju)Lg， 在(zai)測(ce)(ce)(ce)試(shi)(shi)(shi)程(cheng)(cheng)(cheng)序(xu)主(zhu)畫面→功能(neng)選(xuan)擇(ze)→功能(neng)設(she)定(ding)→基本參數(shu)(shu)里→顯(xian)(xian)示斷(duan)(duan)(duan)(duan)后(hou)(hou)標(biao)(biao)(biao)距(ju)(ju)(ju)(ju)(ju)輸(shu)入視(shi)窗(chuang)選(xuan)擇(ze)項打(da)鉤，金(jin)(jin)(jin)(jin)屬(shu)試(shi)(shi)(shi)驗測(ce)(ce)(ce)試(shi)(shi)(shi)完(wan)即會跳(tiao)出斷(duan)(duan)(duan)(duan)后(hou)(hou)標(biao)(biao)(biao)距(ju)(ju)(ju)(ju)(ju)輸(shu)入視(shi)窗(chuang)，拉(la)斷(duan)(duan)(duan)(duan)后(hou)(hou)把試(shi)(shi)(shi)樣對(dui)接起(qi)來再測(ce)(ce)(ce)量(liang)下(xia)2個(ge)標(biao)(biao)(biao)點(dian)(dian)(dian)(dian)(dian)(dian)(dian)之間(jian)的(de)(de)(de)(de)距(ju)(ju)(ju)(ju)(ju)離(li)(li)，把這(zhe)個(ge)距(ju)(ju)(ju)(ju)(ju)離(li)(li)值(zhi)輸(shu)入跳(tiao)出的(de)(de)(de)(de)斷(duan)(duan)(duan)(duan)后(hou)(hou)標(biao)(biao)(biao)距(ju)(ju)(ju)(ju)(ju)輸(shu)入視(shi)窗(chuang)。】