厚度和层间界面对Ti6Al4V钛合金抗弹性能的影响
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摘要
开展了Ti6Al4V钛合金的抗弹性能研究,通过对厚度为10～30 mm的均质Ti6Al4V钛合金靶板和总厚度为30 mm的(15+15)mm双层Ti6Al4V钛合金靶板的终点弹道侵彻实验,研究了厚度和层间界面对Ti6Al4V钛合金抗弹性能的影响规律。结果表明:Ti6Al4V钛合金的抗弹性能随着厚度的增加逐渐提高;在靶板厚度由15 mm增加到20 mm时,其抗弹性能出现了陡增,这与其损伤模式由脆性冲塞破坏转变为塑性扩孔破坏有关;层间界面不利于Ti6Al4V钛合金抗弹性能的提高,厚度为30mm的单层均质Ti6Al4V钛合金靶板的抗弹性能优于总厚度为30mm的(15+15)mm双层Ti6Al4V钛合金靶板,这与双层靶板的层间界面几乎无剪切强度有关。
Effects of target thickness and macroscopic interface on the ballistic performance of Ti6Al4V titanium alloy were investigated.The monolithic Ti6Al4V titanium alloy with thickness varied from 10 mm to 30 mm and the armor configurations of the double-layered(15+15) mm Ti6Al4V titanium alloy were normally impacted by the 12.7 mm AP. The results show that the ballistic performance increaseswith the increase of the target thickness. Significant improvement is observed when the target thickness varies between 15 mm and 20 mm,which is considered to be related to the failure mechanism involved. The 30 mm monolithic Ti6Al4V titanium alloy is more effective thanthe(15+15) mm double-layered Ti6Al4V titanium alloy, which is related to the fact that no shear strength exists on the macroscopicinterface between the double-layered targets.
Effects of target thickness and macroscopic interface on the ballistic performance of Ti6Al4V titanium alloy were investigated.The monolithic Ti6Al4V titanium alloy with thickness varied from 10 mm to 30 mm and the armor configurations of the double-layered(15+15) mm Ti6Al4V titanium alloy were normally impacted by the 12.7 mm AP. The results show that the ballistic performance increaseswith the increase of the target thickness. Significant improvement is observed when the target thickness varies between 15 mm and 20 mm,which is considered to be related to the failure mechanism involved. The 30 mm monolithic Ti6Al4V titanium alloy is more effective thanthe(15+15) mm double-layered Ti6Al4V titanium alloy, which is related to the fact that no shear strength exists on the macroscopicinterface between the double-layered targets.
引文
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[19]Sun K,Yu X,Tan C et al.Materials Science and Engineering A[J],2014,595:247
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[2]Montgomery J,Wells M.JOM[J],2001(4):29
[3]Burkins M,Gooch W.Cost Effective Application of Titanium Alloys in Military Platforms[C].Loen,Norway:RTO-MP-069(II),2001
[4]Gooch W,Burkins M.Cost Effective Application of Titanium Alloys in Military Platforms[C].Loen,Norway:RTO-MP-069(II),2001
[5]Rupert N L,Grace F I,Huang W et al.International Journal of Impact Engineering[J],1997,20:685
[6]Gu Y B,Nesterenko V F.Journal of Composite Materials[J],2007,41:2313
[7]Bless S,Gooch W,Satapathy S et al.International Journal of Impact Engineering[J],1997,20:121
[8]Gooch W,Burkins M,Walters W P et al.International Journal of Impact Engineering[J],2001,26:243
[9]Lee D G,Lee Y H,Lee S Hak et al.Metallurgical and Materials Transactions A[J],2004,35:3103
[10]Lee D G,Lee S Hak,Lee C S et al.Metallurgical and Materials Transactions A[J],2003,34:2541
[11]Lee D G,Lee Y H,Lee C S et al.Metallurgical and Materials Transactions A[J],2005,36:741
[12]Lee D,Lee S Hak,Lee C S et al.Journal of Materials Science[J],2005,40:4077
[13]Me-Bar Y,Rosenberg Z.International Journal of Impact Engineering[J],1997,19:311
[14]Grebe H,Pak H,Meyers M.Metallurgical Transaction A[J],1985,16:761
[15]Martinez F,Murr L E,Ramirez A et al.Materials Science and Engineering A[J],2007,454-455:581
[16]Murr L,Ramirez A,Gaytan S M et al.Materials Science and Engineering A[J],2009,516:205
[17]Zheng C,Cheng X,Wang F et al.International Journal of Impact Engineering[J],2015,85:161
[18]Bartus S.Evaluation of Titanium-5Al-5Mo-5V-3Cr(Ti-5553)Alloy Against Fragment and Armor-Piercing Projectiles,ARL-TR-4996[R].U S Army Research Laboratory:Aberdeen Proving Ground,MD,2009
[19]Sun K,Yu X,Tan C et al.Materials Science and Engineering A[J],2014,595:247
[20]Sun K,Yu X,Tan C et al.Materials Science and Engineering A[J],2014,606:257