rocket engine development, heat resistance composite, high temperature environment, high temperature test, tensile property, high temperature tensile test apparatus, measurement system, ceramic composite material, displacement measurement
その他のタイトル(英)
Material strength measurement system using high-temperature tensile test apparatus and optical extensometer
This paper describes a high temperature test system to evaluate high temperature elongation and tensile strength of heat resistant composites in the atmosphere. High temperature tests on heat resistant composites were conducted as calibration tests of the extensometer device to clarify the high temperature deformation behavior of heat resistant materials. The performance of a noncontact (optical) extensometer was confirmed over 1,580 C. In the preliminary test that examined the measurement situation of the optical extensometer, tensile tests were performed at room temperature, 500 C and 600 C using stainless steel (SUS 304) specimens. Experiments on tensile tests using a ceramic composite material specimen at 1,200 C are described.