廣guang泛fan應ying用yong的de玻bo璃li鋼gang材cai料liao在zai使shi用yong中zhong經jing常chang要yao承cheng受shou衝chong擊ji載zai荷he,如ru火huo車che開kai車che停ting車che時shi承cheng受shou的de衝chong擊ji,汽qi車che相xiang撞zhuang時shi車che體ti的de受shou撞zhuang變bian形xing等deng。玻bo璃li鋼gang由you於yu其qi較jiao高gao的de強qiang度du和he低di廉lian的de價jia格ge,而er廣guang泛fan用yong於yu汽qi車che工gong業ye中zhong,特te別bie是shi製zhi作zuo保bao險xian杠gang和he車che身shen。據ju專zhuan家jia介jie紹shao,汽qi車che的de這zhe些xie零ling部bu件jian的de抗kang衝chong擊ji性xing能neng,是shi衡heng量liang其qi力li學xue性xing能neng的de重zhong要yao指zhi標biao之zhi一yi。複fu合he材cai料liao在zai使shi用yong過guo程cheng中zhong受shou到dao低di能neng衝chong擊ji時shi,大da部bu分fen情qing況kuang並bing沒mei有you明ming顯xian的de目mu視shi損sun傷shang,但dan卻que在zai層ceng合he表biao麵mian會hui生sheng成cheng不bu可ke視shi的de淺qian表biao麵mian分fen層ceng,從cong而er形xing成cheng潛qian在zai的de危wei險xian,內nei部bu損sun傷shang的de存cun在zai可ke造zao成cheng複fu合he材cai料liao,在zai強qiang度du和he剛gang度du上shang的de很hen大da損sun失shi。中zhong國guo不bu飽bao和he樹shu脂zhi網wang專zhuan家jia表biao示shi,已yi經jing對dui複fu合he材cai料liao層ceng合he板ban的de低di能neng量liang衝chong擊ji損sun傷shang機ji理li,及ji特te點dian作zuo了le廣guang泛fan深shen入ru的de研yan究jiu。
Giuseppe Sala和Dai Gil Lee等deng在zai這zhe方fang麵mian做zuo了le很hen多duo工gong作zuo。國guo內nei的de一yi些xie研yan究jiu人ren員yuan也ye做zuo了le相xiang類lei似si的de工gong作zuo,取qu得de了le一yi些xie成cheng果guo。對dui複fu合he材cai料liao鋪pu層ceng優you化hua設she計ji方fang麵mian的de研yan究jiu也ye比bi較jiao多duo,但dan就jiu鋪pu層ceng方fang式shi對dui複fu合he材cai料liao耐nai衝chong擊ji性xing能neng的de影ying響xiang方fang麵mian的de研yan究jiu卻que不bu多duo。據ju專zhuan家jia介jie紹shao,為wei設she計ji生sheng產chan出chu更geng加jia安an全quan穩wen定ding的de玻bo璃li鋼gang產chan品pin,專zhuan家jia對dui玻bo璃li纖xian維wei增zeng強qiang不bu飽bao和he聚ju酯zhi樹shu脂zhi複fu合he材cai料liao,采cai用yong不bu同tong的de鋪pu層ceng工gong藝yi,進jin行xing了le低di能neng量liang衝chong擊ji性xing能neng的de比bi較jiao分fen析xi。
將95mm×95mm方形試件放在實驗台的支持麵上,對不同鋪層的試樣進行衝擊。共分4組,每組5個試件,試驗數據取5個試樣的平均值。每組試件選取能使試件產生較大變形的入射能量的衝擊速度v。據專家介紹,由於每次人工調零的操作誤差及機器本身在衝擊過程中產生的摩擦誤差,使得v在設定的基礎上出現一定的偏差,範圍在0.8~0.9m/s之間,從而得出不同的衝擊載荷-時間及能量-時間的關係。
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