Re: [MW:27150] Aluminum welding 6061-T6 mechanical test bend failure

The below Link may be useful.

http://www.alcotec.com/us/en/education/knowledge/qa/Problems-Passing-Guided-Bend-Tests.cfm

Problem passing guided bend test on 6061-T6 base alloy

Problem passing guided bend test on 6061-T6 base alloy Problem passing guided bend test on 6061-T6 base alloy

Thanks & Regards

J.Gerald Jayakumar

0091-9344954677

On Friday, December 8, 2017, 2:39:31 PM GMT+4, Sathish Kumar <sathishmech04@gmail.com> wrote:

Dear Experts

I need query on Aluminium welding

Material -6061-T6

Material Thickness-16mm

Filler wire- ER4046

Process-GMAW

Pre heat-70 centigrade

Interpass- 120 centigrade

Preclean by Acetone cleaner and SS wire brush

Gas-Ulta high purity Argon gas

During PQR qualifications we face failure in bend test. Crack open at 30degree itself. Is the above method required PWHT after welding. If so what is the method of PWHT and cycle.

Kindly clarify?

Thanks in advance

Regards

Sathish

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