Testing device and method for measuring creep fatigue axial deformation of circular tube

• Main Authors: CUI YIMIN, HE YANMING, LOU YUMIN, WANG XIANMING, ZHU YUCE, REN YU, LYU CHUANYANG, HUANG WEIQIANG, DONG XUGUANG
• Format: Patent
• Language: Chinese; English
• Published: 23.05.2023
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS; PHYSICS; TESTING

The invention relates to a test device and method for measuring creep fatigue axial deformation of a circular tube. The test device comprises a sample protection tube, a left sealing measurement system, a right sealing measurement system and a middle test tube assembly, the left sealing measurement system is located at a left pipeline opening of the sample protection pipe, the right sealing measurement system is located at the right part of the sample protection pipe, and the middle test pipe assembly is located in the sample protection pipe. The device has the beneficial effects that the axial deformation quantity change of the test pipe fitting can be effectively measured and recorded in the process of carrying out the creep fatigue test on the circular pipe. 本发明涉及一种用于测量圆管蠕变疲劳轴向变形量的试验装置及方法，包括：试样保护管、左密封测量系统、右密封测量系统和中试验管组件；左密封测量系统位于试样保护管的左管道口，右密封测量系统位于试样保护管的右部，中试验管组件位于试样保护管内部。本发明的有益效果是：本发明能够在进行圆管蠕变疲劳试验的过程中，有效地测量记录试验管件的轴向形变量变化。