TEST RESULTS FOR EDGE-NOTCHED PIPE SPECIMENS WITHIN FRAMEWORK OF EXPERIMENTAL SUBSTANTIATION OF THE LEAK-BEFORE-BREAK PHENOMENON

I. V. Orynyak; N. I. Vlasenko; V. Ya. Kozlov

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TEST RESULTS FOR EDGE-NOTCHED PIPE SPECIMENS WITHIN FRAMEWORK OF EXPERIMENTAL SUBSTANTIATION OF THE LEAK-BEFORE-BREAK PHENOMENON

机译：漏前-现象前的实验性变幅框架内带边缘试管的试样的测试结果

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The experimental equipment has been upgraded and requirements to geometrical sizes of edge notches of pipe specimens are formulated. A series of tests until fracture have been performed for static loading by internal pressure and bending moment of straight pipe specimens having longitudinal and circumferential edge notches, as well as for a pipe bend with a longitudinal edge notch. Experimental data are compared with the theoretical calculation results. The conditional boundary line between leak and break has been theoretically predicted and experimentally verified for internal pressure loading of a straight pipe with a longitudinal surface defect.

机译：对实验设备进行了升级，并制定了对管道试样边缘缺口几何尺寸的要求。对于具有纵向和圆周边缘凹口的直管样品的内部压力和弯矩，以及具有纵向边缘凹口的弯管，通过内部压力和弯矩进行静态载荷之前，要进行一系列测试，直至断裂。将实验数据与理论计算结果进行比较。对于具有纵向表面缺陷的直管的内部压力载荷，已经从理论上预测并通过实验验证了泄漏和断裂之间的条件边界线。

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《Strength of Materials》 |2012年第5期|共12页
作者
I. V. Orynyak; N. I. Vlasenko; V. Ya. Kozlov;
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原文格式 PDF
正文语种 eng
中图分类工程材料学;
关键词
leak-before-break concept; pipe specimen; longitudinal and circumferential defects; residual strength; internal pressure; bending moment;

机译：破裂前泄漏概念;管道试样;纵向和圆周缺陷;残余强度;内压;弯曲力矩;

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1. TEST RESULTS FOR EDGE-NOTCHED PIPE SPECIMENS WITHIN FRAMEWORK OF EXPERIMENTAL SUBSTANTIATION OF THE LEAK-BEFORE-BREAK PHENOMENON [J] . I. V. Orynyak, N. I. Vlasenko, V. Ya. Kozlov Strength of Materials . 2012,第5期

机译：漏前-现象前的实验性变幅框架内带边缘试管的试样的测试结果
2. The edge-notched clamped beam bend specimen as a fracture toughness test geometry [J] . Mishra Ashwini Kumar, Lambai Aloshious, Jayaram Vikram, Theoretical and Applied Fracture Mechanics . 2020,第期

机译：边缘夹紧夹持梁弯曲标本作为断裂韧性试验几何形状
3. The role of small specimen creep testing within a life assessment framework for high temperature power plant [J] . Morris A., Cacciapuoti B., Sun W. International Materials Reviews . 2018,第2期

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4. J-R CURVE TESTING USING SINGLE EDGE-NOTCHED TENSILE (SENT) SPECIMENS [C] . D.W. Zhou European Conference on Fracture . 2011

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5. Design and Fabrication of a Specimen and Experimental Setup for Fatigue Testing of a Gusset-less Bridge Connection [D] . Fischer, Fernanda. 2018

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6. Strain Measurements within Fibre Boards. Part II: Strain Concentrations at the Crack Tip of MDF Specimens Tested by the Wedge Splitting Method [O] . Gerhard Sinn, Ulrich Müller, Johannes Konnerth, 2012

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7. Investigation of X70 line pipe steel fracture during single edge-notched tensile testing using acoustic emission monitoring [O] . Chuluunbat, Turbadrakh, Lu, Cheng, Kostryzhev, Andrii, 2015

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8. FATIGUE STRENGTHS OF AIRCRAFT MATERIALS AXIAL-LOAD FATIGUE TESTS ON EDGE-NOTCHED SHEET SPECIMENS OF 2024-T3 AND 7075-T6 ALUMINUM ALLOYS AND OF SAE 4130 STEEL WITH NOTCH RADⅡOF 0.004 AND 0.070 INCH [R] . H. J. Grover, W. S. Hyler, L. R. Jackson 1959

机译：2024-T3和7075-T6铝合金边缘板材以及saE 4130钢的轴向负荷疲劳试验的疲劳强度，缺口尺寸为0.004和0.070英寸

TEST RESULTS FOR EDGE-NOTCHED PIPE SPECIMENS WITHIN FRAMEWORK OF EXPERIMENTAL SUBSTANTIATION OF THE LEAK-BEFORE-BREAK PHENOMENON

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