Plastic Waves in a Rate Sensitive Material. Part II. Waves of Combined Stress.
Abstract
Experiments are reported in which combined longitudinal and torsional plastic waves are generated in thin-walled tubes of alpha-titanium by subjecting pre-torqued tubes to longitudinal impact. Longitudinal and torsional strain-time profiles are recorded at several stations along the specimen. The experiments show no evidence of an intermediate constant state region; furthermore, a final constant state region is not observed even though the latest times of observation are greater than the time at which, according to a strain rate independent theory, a constant strain-rate region is expected. Straightforward generalization of the rate dependent theory of Part I (AD-766 755) to allow for combined stress states leads to a theory which predicts the observed strain-time profiles with good accuracy. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Jul 01, 1973
- Accession Number
- AD0766756
Entities
People
- J. C. C. Hsu
- R. J. Clifton
Organizations
- Brown University