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Characterization Of Residual Stress And Defects In Welded Specimen, Srinivas Chanda
Characterization Of Residual Stress And Defects In Welded Specimen, Srinivas Chanda
UNLV Retrospective Theses & Dissertations
The residual stresses developed at different locations of welded specimens consisting of austenitic Type 304L stainless steel (SS) and/or martensitic Alloy EP-823 has been characterized in terms of S-, W- and T-parameters based on a classical positron annihilation spectroscopy (PAS) technique. The resultant data indicate that the magnitude of residual stress was higher near the fusion-line (FL) compared to that of the base region of the welded specimen consisting of similar materials on both sides. However, for welded specimens of dissimilar materials on opposite side, the extent of residual stress was somewhat lower at the FL compared to that of …
Investigating Stress Related To Beginning Teacher Standards, Michelle Dupree
Investigating Stress Related To Beginning Teacher Standards, Michelle Dupree
UNLV Retrospective Theses & Dissertations
The purpose of this study was to investigate the levels of stress experienced by novice special education teachers related to The Council for Exceptional Children national standards for beginning teachers. The Participants in this study were novice resource room and novice self-contained teachers in the Clark County School District. Data were collected using the Teacher Stress Survey. This survey measured levels of stress experienced by novice special education resource room and self-contained teachers at the beginning and end of the first semester; There was no statistically significant difference in total reported stress between self-contained and resource room teachers. There was …