Alexandre Guimarães Botelho - Metallurgy - Metals - Industry

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Expert Profile: Alexandre Guimarães Botelho

Expertise: General questions about metallurgy. Metals, fabrication processes, physical metallurgy, chemical composition and physical properties. As my area of expertise is corrosion, fracture and extractive metallurgy, I may not respond quickly to more in-depth questions outside those fields.

Experience in the area
Up to the moment (2008) I have five years of experience in maintenance and inspection of industrial equipment, integrity assessment, reliability and failure analysis. I also have previous experience in iron mine processing unit and pelletizing process units.

Organizations
PETROBRAS-Brazilian energy enterprise

Publications
9th COTEQ - Conferência sobre tecnologia de Equipamentos, 6 SIC - Simpósio Internacional de Confiabilidade, 2nd CIM - Seminário de Confiabilidade, Inspeção e Manutenção da PETROBRAS.

Education/Credentials
I have technical degree in mechanics and graduation as a Metallurgical Engineer. I am also specialized in industrial equipment, maintenance and inspection, and currently specializing in Quality Engineering and Reliability Engineering.

	View Past Answers	View Detailed Ratings

Average Ratings
Prestige Points: 350
Knowledge	9.73 Best of the best
Clarity of Response	9.82 Best of the best
Timeliness	9.55 Best of the best
Politeness	10.0 Best of the best
Number Of Questions (in Past 24 Hours)		0
Max Questions to be Asked (in 24 Hour period)		3
Total Questions (since joining AllExperts)		39

Recent Reviews from Users

Knowl	Clarity	Time	Politeness	Date
8	10	10	10	07/26/08
10	10	10	10	07/13/08
10	10	10	10	07/13/08
10	10	10	10	07/02/08
10	10	10	10	05/28/08

User Comments

Assert response, thanks Alexandre!
(Alberto on 07/13/08)

Thank You SO MUCH for your expedient and concise response ! You even mentioned the number of the welding rod I need. You're Great !!! Tha
(Ed on 07/13/08)

Thank you very much. It is not possible to pass the cable through plastic tubing, however I will try and spray it with a clear laquer. Maybe this will
(Willie on 07/02/08)

Thanks for your response. I guess we will just enjoy the copper the way it is.
(Faith on 05/28/08)

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	View Past Answers	View Detailed Ratings

Recent Answers from Alexandre Guimarães Botelho

2008-07-22 steel cabling: Hello, Dan, I don't think it was possible due to steel not being mass produced at that time. The cost for fabricating steel wires, which are the base for cables would be high. Anyway, if produced...

2008-07-08 Stainless steel corrosion in sulfuric acid: Hello Vishwanath, I am still far from being a doctor, but thanks, anyway. For H2SO4 corrosion resistance at 80C it is best you try a combination of 18% Chromium, 8-10% nickel, without molybdenium...

2008-07-08 Railroad Footeres: Hello Ed, I have been done some research on railroad steel slabs, since it is not my field of expertise. Footers are usually made out of medium carbon steel, rolled into the shape from cast steel...

2008-07-02 Copper fasteners: Hello Michael, I need more information to answer this question. Are these fasteners to be used in some special condition? Bronze fasteners will usually be more malleable. If you need rigidity,...

2008-07-01 Corrosion on 316 ss cables: Dear Willie, Although SS 316 is one of the best common stailess steels for corrosion resistance, it still suffers from localized corrosion in the presence of chloride atmospheres (ie. sea water)....