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NEUTRON SCATTERING RESIDUAL STRESS MEASUREMENTS
ON GRAY CAST IRON BRAKE DISCS
| 题名： | NEUTRON SCATTERING RESIDUAL STRESS MEASUREMENTS ON GRAY CAST IRON BRAKE DISCS |
| 作者： | Stephen Spooner, E. Andrew Payzant, Camden R. Hubbard William T. Donlon, Gregory M. Vyletel |
| 关键词： | measurement；neutron；stress；rake；disc；iscs；gray；cast；dual；ring |
| 摘要： | Neutron diffraction was used to investigate the effects of a heat treatment designed to remove internal residual stresses in brake discs. It is believed that residual stresses may change the rate of deformation of lire discs during severe, braking conditions when the disc temperature is increased significantly. Neutron diffraction was used to map out residual strain distributions in a production disc before and after a stress-relieving heat treatment. Results from these neutron diffraction experiments show that some residual strains were reduced by as much as 400 microstrain by stress relieving. |
| 报告类型： | 科技报告 |
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