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Characterizing Defects In Metals Using PALS

Name: Characterizing Defects In Metals Using PALS
Brand: LAP Lambert Academic Publishing
SKU: 9783659253409
Price: 51.03 EUR
Availability: InStock

Characterizing Defects in Steel, Aluminum and Copper by way of Positron Annihilation Lifetime Spectroscopy

Автор: Jason Calloo

Език:

Корици: С меки корици

Издател: LAP Lambert Academic Publishing

Наличност: Налично при издателя, по поръчка

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51.03 € 99.81 лв

Machines with moving parts develop wear and tear after some time of operation. Sometimes defects are...

Информация за книгата

Автор

Jason Calloo

Език

Английски език

Корици

Книга - С меки корици

Издадена

2012

страници

EAN

9783659253409

Enbook ID

06901566

Издател

LAP Lambert Academic Publishing

Теглоt

118

Размери

150 x 220 x 9

Пълно описание

Machines with moving parts develop wear and tear after some time of operation. Sometimes defects are on the surface, and thus are visible with the naked eye or with a microscope. However, some defects are seated below the surface and are unnoticeable by the human eye or by a microscope. One way of probing materials for these defects is by way of Positron Annihilation Lifetime Spectroscopy (PALS). This sensitive technique was applied to characterize atomic-scale defects in aluminum and copper samples, as well as steel bearing raceways of different levels of usage. Measurements on aluminum and copper were performed before and after annealing near the melting point. Results show that average positron lifetime decreases significantly after annealing. Then steel bearing raceways were subjected to PALS measurements before and after mechanical testing. Results show an average increase in the positron lifetime of tested bearings as compared to the as-fabricated bearing.

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Characterizing Defects In Metals Using PALS

Characterizing Defects in Steel, Aluminum and Copper by way of Positron Annihilation Lifetime Spectroscopy

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Пълно описание

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