Hardide Nanostructured Hard Coatings to Appear in at MS+T07

Hardide-T, the unique tungsten carbide-based component coating has been selected for presentation by Dr Yuri Zhuk, technical director of Hardide plc, at Materials Science & Technology 2007 conference and exhibition being held September 16 – 20, COBO Center, Detroit, Michigan, USA.

The paper, entitled “Thick Nano-Structured CVD Coating HARDIDE as Enabler for Engineering Systems in Extreme Wear and Erosion Conditions”, details the unique combination of ultra-hard, tough, low friction and chemical resistant properties and applications of Hardide-T, one of a new family of low-temperature CVD (chemical vapour deposition) tungsten/tungsten carbide coatings.

Hardide-T consists of tungsten carbide nano-particles dispersed in a metal tungsten matrix which gives the material enhanced hardness of between 1100 and 1600 Hv, and abrasion resistance up to 12 times better than hard chrome.

The coating offers an unprecedented combination of hard, tough and chemical resistant properties when applied to components made from steel, alloy and other materials. Together with features such as its ability to coat internal surfaces, Hardide is proven to outperform competing technologies across many measures. The patented coating is applied to critical components in high wear and/or aggressive media environments including oil and gas downhole tools, pumps for abrasive and viscous fluids, valves and heavy-duty parts for earth moving equipment. Typically, the coating increases the life of precipitation hardened steel parts in abrasive conditions by a factor of 3.

Dr Yuri Zhuk, technical director of Hardide plc said: “It is an honour for our coating to be selected for presentation at such a prestigious event. The properties of Hardide-T make it an ‘enabling material’ for advanced mechanical systems especially those operating in abrasive/erosive or aggressive media environments, or suffering from impact, shock loads or deformations.”

The coating has been developed by Hardide Coatings, which has manufacturing plants in Houston, Texas, USA and Bicester, Oxfordshire, UK. Hardide Coatings is a Hardide plc company.

Hardide-T is one of a family of innovative CVD tungsten/tungsten carbide coatings developed under the Hardide brand, each with different key characteristics such as hardness up to 3500Hv with Hardide-H.

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