How to make V notch in composites? Is there any standard to make V notch in Composites?

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Can any one let me know the PDE value for Tert-Butylamine in order to control in the API?

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Cloning restrction digestion needed before sequencing?

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No comments from 3 months after required reviews completed ?

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Notch 3 can be considered as marker for stable blood vessel formation?

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Does the shape of the notch affect the fracture test result?

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Manikanta Reddy

Thank you Pham

Martin Kadlec

There is a paragraph in ASTM D5379:

8.4.2.1 Notch Preparation—Take care to avoid delaminating specimens during notch machining. Stacking and clamping of the specimens in a vise, with a dummy specimen on the back side, has been found to be an effective method of preventing delamination during machining. Machining methods that have worked well for notch preparation include precision grinding and precision milling.

thank you martin