<abstract xmlns="http://www.w3.org/1999/xhtml">An industrial gauge for measuring thickness of a gold coating layer deposited on a steel base through detection of the backscattered beta particles has been described. 3H, 14C and 63Ni pure beta emitters have been tested as the radioisotopic sources of the system individually in a fixed geometry. Analytical calculations have been performed in each case. Furthermore, simulations based on Monte Carlo stochastic technique (MCNP) have been processed. The obtained results from both methods have been compared to define the sensitivity of the system in each case. Finally for the first time, fuzzy TOPSIS method has been used for choosing the best source in the defined geometry for manufacturing, considering the following three criteria: (a) saturation thickness, (b) precision and (c) sensitivity. Results have shown that 3H source is the best alternative to the introduced measuring system.</abstract>

An industrial gauge for measuring thickness of a gold coating layer deposited on a steel base through detection of the backscattered beta particles has been described. 3H, 14C and 63Ni pure beta emitters have been tested as the radioisotopic sources of the system individually in a fixed geometry. Analytical calculations have been performed in each case. Furthermore, simulations based on Monte Carlo stochastic technique (MCNP) have been processed. The obtained results from both methods have been compared to define the sensitivity of the system in each case. Finally for the first time, fuzzy TOPSIS method has been used for choosing the best source in the defined geometry for manufacturing, considering the following three criteria: (a) saturation thickness, (b) precision and (c) sensitivity. Results have shown that 3H source is the best alternative to the introduced measuring system.

Beta-backscattering Thickness-meter Design and Evaluation with Fuzzy TOPSIS Method

Department of Radiation Application, Shahid Beheshti University G. C, Tehran, Iran, Tel: +98 912 439 2064

Department of Industrial Engineering, K. N. Toosi University of Technology, Tehran, Iran

Nukleonika

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

An industrial gauge for measuring thickness of a gold coating layer deposited on a steel base through detection of the backscattered beta particles has been...

Beta-backscattering Thickness-meter Design and Evaluation with Fuzzy TOPSIS Method

Article Category: Original Paper

Published Online: Jul 08, 2014

Page range: 53 - 59

Received: Oct 30, 2013

Accepted: May 08, 2014

DOI: https://doi.org/10.2478/nuka-2014-0011

Keywords
beta-ray effects, decision making, fuzzy sets, MCNPX

© 2014 Afshin Arjhangmehr et. al.

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Beta-backscattering Thickness-meter Design and Evaluation with Fuzzy TOPSIS Method

Article Category: Original Paper

Published Online: Jul 08, 2014

Page range: 53 - 59

Received: Oct 30, 2013

Accepted: May 08, 2014

DOI: https://doi.org/10.2478/nuka-2014-0011

Keywordsbeta-ray effects, decision making, fuzzy sets, MCNPX

© 2014 Afshin Arjhangmehr et. al.

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
beta-ray effects, decision making, fuzzy sets, MCNPX