Constitutive Analysis on Anti-Penetration Deformation Behavior of Xf1700 Ultra-High Strength Low Alloy Armor Steel in Perceptive of Adiabatic Temperature Rise and Strain

Siddique, Farah; Li, Fuguo; Yin, Jingchuan; Fan, Jianwen; Zahid, Hussain Mirza; Zheng, Youfu; Li, Qinghua; Zhao, Qian

doi:10.2139/ssrn.4004829

Cited by 3 publications

(2 citation statements)

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“…Moreover, as the end of the load–displacement section corresponds to the formation stage of the fracture zone, the analysis of the fracture zone morphology with the increase in temperature noted the increased toughness of the matrix structure and absorption capacity, resulting in the gradual slope at the end of the load–displacement curve. This is consistent with the conclusions in existing literature, 28,36 whereby the increase in fracture surface roughness corresponds to a higher stored energy and toughness.…”

Section: Experiments Results and Analysissupporting

confidence: 93%

“…A small number of holes and sliding steps caused by the relative sliding of the axial and non-axial matrix structures under the action of the shear load of the pin, and opening direction of all sliding cracks along the longitudinal direction were observed, which exhibited good consistency. 27,28 As temperature was increased, the surface quality of the shear band decreased, the flatness decreased, and the number of sliding steps and holes increased. At 70°C, a serpentine pattern with staggered and sliding steps was observed after shearing.…”

Section: Experiments Results and Analysismentioning

confidence: 99%

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Shear performance and failure mechanism of brass pins considering the temperature effect

Luo,

Liu,

Zhang

et al. 2023

Proceedings of the Institution of Mechanical Engineers, Part C:

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Premature shear failure of the brass pin often occurs during downhole tool operation, which has a serious impact on subsequent completion operations. Therefore, in order to explore its failure mechanism, the pin shear test considering temperature effect was designed and implemented in this paper to study the shear performance of different numbers of brass pins under different heating temperatures. Experimental data were fitted to obtain the continuous shear load–temperature curves for six, eight, and ten pins. The shear sections and the failure mechanism of the pins at different temperatures were observed by scanning electron microscopy. The results showed that the number of pins and temperature significantly affected the shear load of the brass pin. At room temperature, as the number of pins was increased, the shear load increased by 31.60% (six to eight) and 24.76% (eight to ten). Taking six pins as an example, the increase in the heating temperature from 22°C to 190°C decreased the shear load of the pin by 17.68%. The brass pin exhibited prominent plastic failure characteristics. Moreover, the shear section at room temperature was dominated by the shear band, which has a higher failure energy absorption capacity. As the temperature was increased, the area of fracture zone gradually increased, and consequently, the toughness and plasticity increased. This study provides a reference for the use of brass pins in downhole tools and reduces the possibility of premature shearing and related construction waste.

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Section: Experiments Results and Analysissupporting

confidence: 93%

Section: Experiments Results and Analysismentioning

confidence: 99%