steel plates
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2022 ◽  
Vol 190 ◽  
pp. 107126
Gang Wu ◽  
Xin Wang ◽  
Chong Ji ◽  
Qiang Liu ◽  
Xingbo Xie ◽  

2022 ◽  
Vol 171 ◽  
pp. 108756
Yue-Ling Long ◽  
Lin Zeng ◽  
Leroy Gardner ◽  
M. Ahmer Wadee

2022 ◽  
Vol 253 ◽  
pp. 113717
Dan Li ◽  
Jia-Hao Nie ◽  
Wei-Xin Ren ◽  
Wee-Hoe Ng ◽  
Guo-Hua Wang ◽  

2022 ◽  
Vol 171 ◽  
pp. 108787
Benjamin S. Elveli ◽  
Mads B. Iddberg ◽  
Tore Børvik ◽  
Vegard Aune

2022 ◽  
Vol 320 ◽  
pp. 126231
Daniel M. Ruiz ◽  
Juan C. Reyes ◽  
Cristian Bran ◽  
Manuela Restrepo ◽  
Yezid A. Alvarado ◽  

Metals ◽  
2022 ◽  
Vol 12 (1) ◽  
pp. 141
Yahui Shi ◽  
Ang Hu ◽  
Taisheng Du ◽  
Xinke Xiao ◽  
Bin Jia

To demonstrate the importance of incorporating Lode angle into fracture criterion in predicting the penetration resistance of high-strength steel plates, ballistic tests of blunt-nosed projectiles with a diameter of 5.95 mm impacted 4 mm thick Weldox 900 E steel plates were conducted. Impacting velocity range was 136.63~381.42 m/s. The fracture behavior and the ballistic limit velocities (BLVs) were obtained by fitting the initial-residual velocities of the projectiles. Subsequently, axisymmetric finite element (FE) models parallel to the tests were built by using Abaqus/Explicit software, and the Lode-independent Johnson–Cook (JC) and the Lode-dependent ASCE fracture criterion were incorporated into the finite element model for numerical simulation. Meanwhile, to verify the sensitivity of the mesh size in the numerical simulation, different mesh sizes were used in the shear plug area of the target. It can be found that Weldox 900 E steel has obvious mesh size sensitivity by comparing the experimental results and numerical simulation, and the JC fracture criterion and the ASCE fracture criterion predicted similar BLV for the same mesh size.

Takamitsu Iwaya ◽  
Shingo Akao ◽  
Kazushi Yamanaka ◽  
Tatsuhiro Okano ◽  
Nobuo Takeda ◽  

Abstract For on-site analysis of surface materials on the moon, planets, and small bodies and for the monitoring of air quality in crewed spacecraft, we have developed a portable gas chromatograph (GC) equipped with a ball surface acoustic wave (SAW) sensor. In this study, we fabricated a 10 cm cube GC that implements the forward flush method using two metal micro-electro-mechanical-system (MEMS) columns coated with different stationary phases in microchannels fabricated by wet etching and diffusion bonding of stainless-steel plates. Using this GC, we succeeded in analyzing 10 kinds of gas within 10 min. In addition, for the application of the ball SAW GC on the ground, we also developed a palm-sized GC with a single metal capillary column and used it in the analysis of the headspace gas of sake. We showed that the ratio of peak areas differed among odorants depending on the brand and brewing process of sake.

Materials ◽  
2022 ◽  
Vol 15 (2) ◽  
pp. 501
Mikhail L. Lobanov ◽  
Vladislav A. Khotinov ◽  
Vladimir N. Urtsev ◽  
Sergey V. Danilov ◽  
Nikolay V. Urtsev ◽  

Thermo-mechanical controlled processing (TMCP) is employed to obtain the required level of mechanical properties of contemporary HSLA steel plates utilized for gas and oil pipeline production. The strength and crack resistance of pipeline steels are mainly determined by its microstructure and crystallographic texture. In this study, the influence of the structural and textural states of industrially produced API-5L X70-X80 pipeline steels on tensile mechanical properties was analyzed. TMCP routes with different hot rolling temperatures and cooling rates were employed. The texture of steel was assessed using the Taylor factor, which was calculated based on electron backscatter diffraction (EBSD). The decrease in rolling temperature resulted in the sharper texture characterized by {001} planes banding (cleavage planes in the bcc lattice) parallel to rolling direction. The tensile deformation behavior at the stage of necking was determined by the crystallographic and morphological texture of the material and demonstrated significant anisotropy. Rupture of all investigated samples was accompanied by the development of splitting on the fracture surface. The splitting was localized in the rolling plane similar to the splitting in standard Charpy tests of pipeline steels.

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