MCrAlY bend test

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MCrAlY bend test

08-07-2018, 05:16 PM

Post: #1

liaemars Offline

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MCrAlY bend test

Hi guys,
I have a quality control problem.
I have sprayed MCrAlY (Amdry 365-1) for a customer and he made bend test to check adhesion strength, but the coating cracks and spalls off and he won't accept it.
I know that MCrAlYs coating are brittle before heat treatment and I was wondering if there is any standard or documents to show that this test is not the right one for adhesion before heat treatment.
Any help and info is appreciated.
Regards,
Lia

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