Luis Hernandez Terrones

5 Questions 4 Answers 0 Followers

Questions related from Luis Hernandez Terrones

What are the main defects/imperfections found during each step of manufacturing tubes via ERW?

Could anyone suggest some reading material?

04 March 2022 9,356 3 View

What can cause surface marks during pipe fabrication via ERW?

There are no non-metallic inclusions associated to this marks and they apper next or ON the fusion zone.

04 March 2022 378 0 View

How to calculate volume fraction of ferrite, bainite and martensite?

I am looking for equations that allows to determine the volumetric fraction of ferrite, bainite and martensite according to austenitization temperature, cooling rate and temperature up towhich the...

11 January 2022 3,096 3 View

How to calculate geometry factor of a helical gear using a simple method (not AGMA standard)?

I had some difficult to understand and have all dimensions required by AGMA standard 908-B89 and didn't find a apropriated graphic. Could someone help me, please? Best regards, Thx

12 August 2016 3,258 1 View

What mechanical test (beside hardness test) of a welded joint between a horizontal and a vertical pipe could be done?

The figures attached show the material that need to be analyzed. As showed, the joint has a crack.

12 March 2016 9,778 7 View