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·引言·依普森公司研制成功了一种新的表面硬化方法——吸热式(Rx)气体和氨气的软氮化法(简称Njtemper软氮化法——译者),同类似的表面硬化技术相比,它具有许多优点,突出的是氮化层质量好、处理工艺简单。由于没有盐浴氮化的污染问题,故在环保问题上,Nitemper软氮化是一种合适的方法。这种比较简单的气氛热处理工艺不产生有害的和具有爆炸性的化学物质以及由此而产生的有毒烟气。 Nitemper软氮化对钢和铸铁在低温下进行的可控气氛热处理,能获得坚硬的表层,大大地提高了工件表面的耐磨性和耐疲劳性。处理工艺是在钢的临界转变温度以下,在不完全分解的氨气和吸热型气体中进行的。它能获得许多工程上非常需要的综合机械性能,包括:
· INTRODUCTION · Ipsos has developed a new surface hardening method - the soft nitriding method of endothermic (Rx) gas and ammonia (Njtemper soft nitriding) Surface hardening technology, it has many advantages, highlighting the nitrided layer of good quality, simple process. Nitemper nitrocarburizing is a suitable method for environmental issues due to the lack of contamination of salt bath nitriding. This relatively simple atmosphere heat treatment process does not produce harmful and explosive chemicals and the resulting toxic fumes. Nitemper soft nitriding of steel and cast iron at controlled temperatures in the low temperature heat treatment, to obtain a hard surface, greatly improving the wear resistance and fatigue resistance of the workpiece surface. The treatment is carried out below the critical temperature of the steel, in incompletely decomposed ammonia and endothermic gases. It offers many of the most engineered integrated mechanical properties, including: