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Substrate Preparation Coating effect on compressive stress levels

T-41 + TiAlN. Case Western supplied coupons H-13 46-48Rc Oil Quenched 3” x .75” x .25”. T-41H + TiAlN. Substrate Preparation Coating effect on compressive stress levels T-41 & T-41H (proprietary process) TiAlN - Balzar’s (Futura) Coating.

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Substrate Preparation Coating effect on compressive stress levels

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  1. T-41 + TiAlN Case Western supplied coupons H-13 46-48Rc Oil Quenched 3” x .75” x .25” T-41H + TiAlN Substrate Preparation Coating effect on compressive stress levels T-41 & T-41H (proprietary process) TiAlN - Balzar’s (Futura) Coating

  2. A5 - T41 then AlTiN A6 - T41H then AlTiN Measurement of Surface Compressive Value and Maximum Depth using X-ray Diffraction + Electro-polishing

  3. Lambda X-ray Diffraction Curves TiAlN - Applied at 940 degrees F Surface -116KSI Max -119.8KSI @ .0057” Surface -100KSI Max -106.5KSI @ .0019”

  4. Lambda X-ray Diffraction Curves TiAlN - Applied at 940 degrees F Combined Curves Applied coating temperature flattened the normal knee of the compressive curve. The T-41 & T-41H process still retains surface and depth values. for PVD coating substrate preparation practical, feasible, and beneficial.

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