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This would be a barrier between the base metal and the hard facing. Nickel has an fcc structure and it will not crack
- best regards
Dr. Georgios Dilintas
Authorized Nuclear Inspector
Authorized Inspector Supervisor
I&F REGIONAL TECHNICAL MANAGER
BUREAU VERITAS HELLAS
Tel: +30 210 40 63 113/4
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Kannayeram Gnanapandithan ---01/09/2014 10:08:04---will nickel base alloy reduce Hardness?? THANKS & BEST REGARDSFrom: Kannayeram Gnanapandithan <kgpandithan@gmail.com>
To: materials-welding <materials-welding@googlegroups.com>
Date: 01/09/2014 10:08
Subject: Re: [MW:21777] RE: Cracks hair line appearing after welding hard facing electrode
Sent by: materials-welding@googlegroups.com
will nickel base alloy reduce Hardness??
THANKS & BEST REGARDS
KG.PANDITHAN, AWS-CWI, CSWIP 3.1
CONSULTANT-WELDING & QUALITY
On Sun, Aug 31, 2014 at 10:40 PM, pgoswami <pgoswami@quickclic.net> wrote:
- Hi ,Suryanarayanan,
Some cracks are common with hardfacing alloys, due to their inherently low ductility. This could be minimized by using a Ni-based barrier layer for some type hardfacing alloys (Stellite-6, 12 ).
I hope you'll find the information in the attachment as quite useful.
What's the type of hardfacing electrode used for weld deposition??
Appreciate your response.
Thanks
Pradip Goswami, P.Eng,IWE
Welding & Metallurgical Specialist
Ontario, Canada
pgoswami@quickclic.net
pradip.goswami@gmail.com
http://ca.linkedin.com/pub/pradip-goswami/5/985/299
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of george.dilintas@gr.bureauveritas.com
Sent: Saturday, August 30, 2014 9:14 AM
To: materials-welding
Subject: Re: [MW:21764] RE: Cracks hair line apprearing after welding hard facing electrode
You mean residual stresses cracks
Best regards
Dr Georgios Dilintas
Authorized Nuclear Inspector
Authorized Inspector Supervisor
HBS Regional Technical Manager
From: Kannayeram Gnanapandithan [kgpandithan@gmail.com]
Sent: 08/30/2014 10:19 AM ZE5B
To: materials-welding@googlegroups.com
Subject: Re: [MW:21758] RE: Cracks hair line apprearing after welding hard facing electrode
it is stress relief cracks
THANKS & BEST REGARDS
KG.PANDITHAN, AWS-CWI, CSWIP 3.1
CONSULTANT-WELDING & QUALITY
On Sat, Aug 30, 2014 at 10:02 AM, jsn <jsn@cal2.vsnl.net.in> wrote:
- Dear ,
Can please explain why hair line cracks are appearing after welding with ahand facing electrode
I have used a build up electrode layer - 2
and 1 or two layers with hard facing electrode a hair line crack at varius intervals.
I am informed that since it is hardfacing electrode hair line cracks will appear
= s p raman=
J.Suryanarayanan
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