scholarly journals High strain-rate effects from blast loads on laminated glass: An experimental investigation of the post-fracture bending moment capacity based on time–temperature mapping of interlayer yield stress

2020 ◽  
pp. 121658
Author(s):  
S.C. Angelides ◽  
J.P. Talbot ◽  
M. Overend
Keyword(s):  
Experimental Investigation ◽  
High Strain Rate ◽  
Strain Rate ◽  
High Strain ◽  
Bending Moment ◽  
Laminated Glass ◽  
Strain Rate Effects ◽  
Moment Capacity ◽  
Temperature Mapping ◽  
Rate Effects

Temperature and Strain Rate Effects on Mechanical Behavior of a PMMA

2007 ◽  
Vol 340-341 ◽  
pp. 1079-1084 ◽  
Author(s):  
Tao Suo ◽  
Yu Long Li ◽  
Yuan Yong Liu
Keyword(s):  
Flow Stress ◽  
High Strain Rate ◽  
Strain Rate ◽  
Mechanical Behavior ◽  
High Strain ◽  
Strain Range ◽  
Testing Temperature ◽  
Strain Rate Effects ◽  
Rate Effects ◽  
Increasing Temperature

In this paper, the mechanical behavior of a PMMA used as the windshield of aircraft was tested. The experiments were finished under two quasi-static strain rates and a high strain rate with the testing temperature from 299K to 373K. The results show that the mechanical property of this PMMA depends heavily on the testing temperature. The Young’s modulus and flow stress were found to decrease with increasing temperature at low strain rate. At the strain rate of 10-1 1/s, strain softening was observed under all experiment temperatures. At high strain rate, with the temperature increasing, the flow stress decreases remarkably while the failure strain increases, and the strain soften was also observed at the temperature above 333K. Comparing the experiments results at same temperature, it was found the flow stress increases with the rising strain rate. The predictions of the mechanical behavior using the ZWT theoretical model have a good agreement with experimental results in the strain range of 8%.

A Case Study of High Strain Rate Effects in Glass Filled Thermoplastic Materials

1998 ◽  
Author(s):  
Robert C. Elston ◽  
Robert E. Kottyan ◽  
E. Christopher Myers ◽  
Michael J. Heskitt
Keyword(s):  
High Strain Rate ◽  
Strain Rate ◽  
High Strain ◽  
Strain Rate Effects ◽  
Rate Effects

High Strain Rate Effects on Environment Assisted Fatigue for Austenitic Stainless Steels in PWR Environment

2013 ◽  
Author(s):  
Yuichi Fukuta ◽  
Yuichiro Nomura ◽  
Toshiya Saruwatari ◽  
Seiji Asada
Keyword(s):  
Experimental Data ◽  
High Strain Rate ◽  
Strain Rate ◽  
Stainless Steels ◽  
High Strain ◽  
Austenitic Stainless Steels ◽  
Strain Rate Effects ◽  
Current Test ◽  
Rate Effects ◽  
Temperature Strain

Current Japanese fatigue evaluations in the PWR environment are conducted using JSME S NF1 in which some parameters (temperature, strain rate, dissolved oxygen, etc.) are evaluated as influencing factors. However, it is assumed that the JSME Code would be conservative in high-strain-rate regions because the environmental factor (Fen) is evaluated by extrapolating experimental test results from a low strain rate (up to 0.4%/sec). In this study, experimental data are obtained additionally and Fen for high-strain-rate regions are reevaluated. As a result, it is confirmed that Fen at a strain rate of 1.0%/sec is about one half of that in the JSME Code. Further, marshaled experimental data obtained from the EFT project, which are classified according to stainless grade and material charge, indicated that the strain rate at Fen = 1 can be lower than 3%/sec for all austenitic stainless steels and similar to the current test result.

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