Transcription of TUFFTRIDE -/QPQ -PROCESS - Metal Processing, …
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TUFFTRIDE -/QPQ -PROCESSDr. Joachim Bo let / Michael KreutzTechnical InformationTUFFTRIDE -/QPQ -ProcessSalt bath nitrocarburizing by the TUFFTRIDE processhas been applied in a wide range of industries through-out the world for many decades. It is used to improve thewear resistance, the fatigue strength and in particularwhen combined with the oxidative cooling the corro-sion resistance of components made from steel, castiron and sintered iron materials. In many cases theTUFFTRIDE process is used as an alternative to othersurface engineering processes such as case hardening,galvanic ( hard chrome plating), and other coatingprocesses (plastic coating, painting, laser coating et)
Changes in component properties through the QPQ® treatment Corrosion resistance To determine the corrosion resistance of samples and components, a salt spray test (European Standard DIN
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