Investigations of the Material Factors in the Adiabatic Shearing of Steels

1985 ◽  
Author(s):  
H. C. Rogers
Keyword(s):  
1991 ◽  
Vol 01 (C3) ◽  
pp. C3-667-C3-673 ◽  
Author(s):  
J. KREJCÍ ◽  
J. BREZINA ◽  
J. BUCHAR ◽  
S. ROLC

2011 ◽  
Vol 284-286 ◽  
pp. 1542-1545 ◽  
Author(s):  
Qing Wen Ding ◽  
Yu Ren ◽  
Cheng Wen Tan ◽  
Jing Zhang ◽  
Xiao Dong Yu

A Split Hopkinson Pressure Bar system was employed to investigate the compressive dynamic mechanical behaviors of Ti-10V-2Fe-3Al (Ti-1023) alloy with lamellar microstructure, over a broad strain rates ranging from 1500/s to 5100/s. The results reveal that the strain rate has a significant effect on the flow stress of Ti-1023 alloy, and there exists serious thermal softening as the strain rate exceeds 3200/s. The critical strain rate of fracture for this alloy is 2300/s. The microstructure examination indicated that adiabatic shear bands (ASBs) bifurcate more intensely with the increasing of strain rate. Micro-voids nucleate either in the ASB or interface between shear band and matrix bulk. Finally, fracture of this alloy proceeds through the nucleation, growth and coalescence of these voids and cracks along the ASBs.


2018 ◽  
Vol 910 ◽  
pp. 123-129 ◽  
Author(s):  
X.N. Mu ◽  
H.N. Cai ◽  
Hong Mei Zhang ◽  
Q.B. Fan ◽  
Y. Wu

In this study, the titanium matrix composites (TiMCs) were fabricated by adding graphene nanoplatelets (GNPs). The dynamic compression test was carried out to study the effect of strain-rate and the GNPs content on dynamic mechanical properties of GNPs/Ti. Results show that the GNPs content (0wt%~0.8wt%) correspond to specific microstructure which affect the dynamic mechanical properties of the composites. Under high strain-rate (3500s-1), the 0.4wt%GNPs/Ti has the highest dynamic stress (~1860MPa) and strain (~30%). The adiabatic shearing band (ASB) microstructure of GNPs/Ti with various GNPs content has been observed under 3500s-1 strain-rate and the ASB microstructure evolution of 0.4wt%GNPs/Ti under different strain rate was investigated in particular.


Fracture 84 ◽  
1984 ◽  
pp. 3127-3134
Author(s):  
Y. Tirupataiah ◽  
V.M. Radhakrishnan ◽  
K.R. Raju
Keyword(s):  

2010 ◽  
Vol 51 (7) ◽  
pp. 1216-1221 ◽  
Author(s):  
Woei-Shyan Lee ◽  
Tao-Hsing Chen ◽  
Chi-Feng Lin ◽  
Ging-Ting Lu

AIP Advances ◽  
2019 ◽  
Vol 9 (9) ◽  
pp. 095043
Author(s):  
Wentian Shi ◽  
Jinquan Li ◽  
Chenyu Wang

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