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Recent content by Jeffreynl
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FRP Damage mechanisms
Good afternoon all, Does someone knows good literature/books regarding the failure mechanisms (example blistering, delamination, corrosion, cracking) of FRP pressure vessels with photo's ? For metallic pressure vessels we have for example the corrosion atlas, is there something similar...- Jeffreynl
- Thread
- Replies: 0
- Forum: Composite engineering
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ASME IX - Flange face restore welding
May i ask why you dont agree? According ASME IX , QW 256, T qualified is an essential variabel (see QW-403.8). QW403.8 refers to QW-451, which states range base material thickness T as 2*T.- Jeffreynl
- Post #14
- Forum: ASME (mechanical) Code Issues
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ASME IX - Flange face restore welding
All thanks for the reply. As i understood the deposit thickness t is not similar to the base material thickness T. According to m the base material thickness T should withon the limits on the PQR. When the base material is thicker as in the PQR we might have a difference in material structure...- Jeffreynl
- Post #12
- Forum: ASME (mechanical) Code Issues
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ASME IX - Flange face restore welding
DEAR shane I share this opinion. But the repair company stated otherwise. Regards jeffrey- Jeffreynl
- Post #5
- Forum: ASME (mechanical) Code Issues
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ASME IX - Flange face restore welding
Dear Don56, Thank you for your response. The in this case the flange face has been repair welded by a company which holds a PQR (groove weld) which is valid for material thickness T=25mm. In practice the component has a material thickness T=45mm. The PQR is normally not valid for this material...- Jeffreynl
- Post #3
- Forum: ASME (mechanical) Code Issues
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ASME IX - Flange face restore welding
Hello all, Can the restore welding/build up welding of a flange face be seen as fillet weld? This in context of the ASME IX QW202.3 (range of qualification for material thickness). Greets Jeffrey- Jeffreynl
- Thread
- Replies: 13
- Forum: ASME (mechanical) Code Issues
