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ted_yosem

Ted Mooney, P.E. RET
- Pine Beach, NJ

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High Temperature PVD Coatings for Gas Burners & Firepits

Q. Are there any gold colored PVD coatings that can handle high temperatures? I need something that can handle 900 °F. I have tried Titanium nitride and that oxidizes and turns silver. I believe 10k gold could work but that may be prohibitively expensive.
The application here is for gas burners on cooking products. Currently the brass components oxidize and turn dark & ugly.

Max Oyler
appliances - Louisville, Kentucky USA
May 14, 2018

RECOMMENDED PVD BOOKS
For Engineers & Specifiers

Surface Topography Effects on Functional Properties of PVD Coatings by Pan & Drnovsek (2023)
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The Foundations of Vacuum Coating Technology by Donald M. Mattox (2018)
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Properties and Processing of Vapor-Deposited Coatings by Lee, Johnson, Sheldon & Pickering (2014)
avail from eBay, AbeBooks, or Amazon

Handbook of Physical Vapor Deposition (PVD) Processing by Donald M. Mattox (2010)
avail from eBay, AbeBooks, or Amazon

The Influence of Macroparticles on PVD Coatings by Guido Vergnano (2009)
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Q. Hi! Need to know if PVD coating is FIRE/HEAT RESISTANT ... I am thinking to use it on some fire pits?

Munawwer Mohd
Manufacturer - Exporter - Mordabad, U.P , India
March 18, 2020

A. PVD coatings are deposited at very high temperatures for wear resistance, typically in the range of 400 to 500 °C, but the PVD coating itself can withstand much higher temperatures -- depends on the specific coating. Problem is not the PVD coating, then, but the substrate/coating combination. If your substrate is stainless steel, you should be in good shape.

Jim Treglio - scwineryreview.com
PVD Consultant & Wine Lover - San Diego,
California

Q. Looking for PVD Coating which can withstand up to 500 °C. It's the direct heat on product.

Vishnu Tiwari
- Bangalore, India
November 13, 2024

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