Structural toughness and interfacial effects of multilayer TiN erosion-resistant coatings based on high strain rate repeated impact loads

2021 ◽  
Author(s):  
Jiao Chen ◽  
Guangyu He ◽  
Yutao Han ◽  
Zhanwei Yuan ◽  
Zhe Li ◽  
...  
Keyword(s):  
High Strain Rate ◽  
Strain Rate ◽  
High Strain ◽  
Impact Loads ◽  
Repeated Impact ◽  
Interfacial Effects

scholarly journals Changes in Mechanical Properties of Ultrahigh Strength Nanostructured Steel Resulting from Repeated High Strain Rate Deformation

2019 ◽  
Vol 10 (1) ◽  
pp. 99-120
Author(s):  
Jarosław MARCISZ ◽  
Bogdan GARBARZ ◽  
Jacek JANISZEWSKI
Keyword(s):  
Mechanical Properties ◽  
High Strain Rate ◽  
Strain Rate ◽  
Strain Hardening ◽  
High Strain ◽  
Split Hopkinson Pressure Bar ◽  
Dynamic Compression ◽  
Isothermal Heat Treatment ◽  
Hopkinson Pressure Bar ◽  
Repeated Impact

The paper contains results of investigation of nanostructured bainitic steel subjected to repeated high-strain-rate deformations using split Hopkinson pressure bar method and uniaxial compression of cylindrical specimens in Gleeble simulator. Steel of chemical composition Fe-0.58%C-1.80%Si-1.95%Mn-1.3Cr-0.7Mo (weight %), after isothermal heat treatment at 210°C, is characterized by following mechanical properties determined at static tensile test: yield strength YS0.2 = 1.3 GPa; ultimate tensile strength UTS = 2.05 GPa; total elongation E = 12%, hardness 610 HV and Charpy-V impact toughness 24 J at +20℃ and 14 J at -40℃. Stress-strain curves obtained for pre-stressed material before the next dynamic compression and after repeated compressions were analysed. Microstructure of the deformed specimens in areas of the dynamic impact was investigated. The effects of the dynamic repeated impact on changes in characteristics of the investigated material, in that on strain hardening mechanism, were established. Critical strains of 5.3% at strain rate 910 s-1 and about 10% at strain rate 50 s-1 for the nanostructured bainite were determined. Exceeding the critical strain under uniaxial repeated high-strain-rate compression, resulted in decreasing of ability of the steel for further plastic deformation and strain hardening.

HIGH STRAIN RATE LOADING OF ZIRCALOY

1985 ◽  
Vol 46 (C5) ◽  
pp. C5-511-C5-516
Author(s):  
A. Kobayashi ◽  
S. Hashimoto ◽  
Li-lih Wang ◽  
M. Toba
Keyword(s):  
High Strain Rate ◽  
Strain Rate ◽  
High Strain ◽  
Strain Rate Loading

BALLISTIC PERFORATION OF POLYCARBONATE SHEET AND ITS HIGH STRAIN RATE RESPONSE

1988 ◽  
Vol 49 (C3) ◽  
pp. C3-145-C3-149 ◽  
Author(s):  
N. A. FLECK ◽  
S. C. WRIGHT ◽  
J. H. LIU ◽  
W. J. STRONGE
Keyword(s):  
High Strain Rate ◽  
Strain Rate ◽  
High Strain

Challenges Towards Developing a High Fidelity Database for Validating High Strain Rate Composite Material Models

2021 ◽  
Author(s):  
Mark Pankow ◽  
Joseph Giliberto ◽  
Brandon Hearley ◽  
Brian Justusson ◽  
Joseph Schaefer ◽  
...  
Keyword(s):  
Composite Material ◽  
High Strain Rate ◽  
Strain Rate ◽  
High Strain ◽  
High Fidelity ◽  
Material Models
Sign in / Sign up

Export Citation Format

Share Document