Influence of Nitride Hard Coating on Friction and Soldering on Surface of Aluminum High Pressure Die Casting Core

Thuy Chung Luu; Thanh Binh Dinh; Thi Phuong Mai Nguyen; Pham Hong Tuan

doi:10.4028/www.scientific.net/AMM.889.177

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 889Influence of Nitride Hard Coating on Friction and...

Influence of Nitride Hard Coating on Friction and Soldering on Surface of Aluminum High Pressure Die Casting Core

Abstract:

Wear and soldering are the two common failure types of high pressure die casting molds. Surface treatment solutions are often offered to limit these two forms of failure. In this study, the authors compared the average frictional force occurring when the die casting core was removed from the aluminum block to evaluate the effect of the chromium nitride and titanium nitride coating on the friction properties of the mold surface. Experience had shown that hard nitride coating significantly reduced the friction between the core and castings by aluminum alloys as well as significantly reduced the amount of adhesive applied on the mold surface. The experiment also showed that the coating of chromium nitride also reduced the level of damage to the core surface in real working conditions.

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Periodical:

Applied Mechanics and Materials (Volume 889)

Pages:

177-184

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.889.177

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Online since:

March 2019

Authors:

Thuy Chung Luu*, Thanh Binh Dinh, Thi Phuong Mai Nguyen, Pham Hong Tuan

Keywords:

Average Friction Force, Mold Release Work, Nitride Hard Coating, Soldering

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