A study on the distribution of residual stress due to surface induction hardening
Article Abstract:
Finite element analysis was utilized to investigate the distribution of residual stresses produced by surface induction hardening. The analysis takes into account both transformation induced plasticity (TRIP) and latent heat effects. The computation model considering TRIP was found to enhance substantially the agreement with experimental measurements. From a large amount of numerical results, a group of simple equations is derived to compute for the residual stress distribution in the workpiece.
Publication Name: Journal of Engineering Materials and Technology
Subject: Science and technology
ISSN: 0094-4289
Year: 1996
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Grain-size distribution of polychlorobiphenyls in coastal sediments
Article Abstract:
Polychlorobiphenyl (PCB) concentrations and distributions were determined in grain-size fractions of three coastal sediments. The content of 20 PCB congeners were determined and assessed for their potential toxicity and their distribution in the environment. PCB concentrations were highest at the finest sediment fraction and vegetal fraction. Silt-sized particles had the highest PCB content while sand-size particles had low PCB content.
Publication Name: Environmental Science & Technology
Subject: Science and technology
ISSN: 0013-936X
Year: 1996
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Dating sediments using luminescence signals
Article Abstract:
Potential sites for nuclear power plants need to have an earthquake-free history. Faults in surface sediments are good indicators of past volcanic activity. A technique for dating surface sediments using luminescence signals is presented. Luminescence techniques have advantages over more conventional methods since they are applicable to mineral grains and they give the time that has elapsed since such grains were washed into position.
Publication Name: Environmental Science & Technology
Subject: Science and technology
ISSN: 0013-936X
Year: 1993
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