Estimation Of Local Strain Concentration By
Thermo Viewer
Author(s)
H. Sakamoto & E. Nakamachi
Abstract
The stress-strain characteristics and plastic behavior of aluminum alloy were
examined by tensile test and infrared thermo viewer. This thermo viewer is a
device for converting a thermal radiation pattern from an object into visible
images. Al-Mg alloy plates with different crystal grain size (d= 12,42,3000 m)
subjected to a uniaxial tensile load were measured continuously by this thermo
viewer. The strain concentration pattern was analyzed by the differential
thermal image and the macroscopic estimation method by the thermal image
processing was proposed.
1 Introduction
It is known that the crystal grain siz
Keywords
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