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                                   Electrical Measurement of Residual Stress blind hole detection
Blind-hole residual stress measurement is based on elasticity theory, electrical measurement techniques as the strain developed a stress test method has been applied at home and abroad to carry out more extensive and mature in university laboratories, engineering welding, casting , forging, machining, aerospace, bridge engineering, and construction has been applied in many areas.  It applies the principle of Strain Measurement in the measured part affixed strain flower, through the center of the workpiece hole rosette strain release, and then release the stress calculated by the formula to obtain the residual stress in the workpiece. Sigma Technology Co., Ltd. Jinan development of strain gauges can be detected through the blind-hole residual stress for (blind-hole test) residual stress testing. Can be measured strain, stress and load section, using LCD, there are drop-down menu, USB interface, mass storage, and query records.
Blind-hole drilling residual stress measurement [2007-10-27]
Measuring Connection bridge [2007-10-27]
Resistance strain gauge [2007-09-07]
Resistance strain gauge [2007-09-07]

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