研究了一种筛片的软氮化工艺。
结果表明通过改进可以显著提高产品软氮化硬度。
And its result is that through developing the hardness of soft-nitriding products can be remarkably increased.
为此就须改进现有工艺，提高软氮化热处理的一次合格率。
Therefore the current process must be improved for upgrading the first percent of pass for soft-nitriding heat treatment.
用气体软氮化强化农用柴油机球铁曲轴的研究始于1974年。
Since 1974 the research work on gas soft nitriding of nodular cast iron crankshafts used in agricultural diesel engine has started.
公司的渗氮工艺分为：气体软氮化、MGN和气体硬氮化。
The company's nitriding process is divided into:gas soft-nitriding, MGN and gas rigidity-nitriding.
目前常常用的表面处理方法有表面淬火、软氮化和等离子CVD等。
Now the surface treatment methods are surface hardening, tufftride, plasma CVD, etc.
然后，用以对此规格的钢丝制造的气阀弹簧进行了低温液体软氮化处理。
Then, pneumatic valve spring made from this spring steel wire have been treated by this investigation of liquid tufftriding process.
综述了盐浴技术的应用，并对无毒盐浴软氮化在热处理中的应用加以展望。
The use of the non toxic salt bath soft nitrogenation in heat treatment is forecasted.
新技术通过在软氮化粉末渗扩介质与被渗样品间施加合适参数的直流电场来实现。
The new technology is based mainly on applying direct current field (DCF) with proper parameter between the treated sample and the powder agents.
通过含铌与不含铌基体钢气体软氮化工艺对比实验，初步探索了合金元素铌对基体钢软氮化渗层组织与性能的影响。
This paper has investigated the influence of alloying element Nb on structure and properties of the soft nitriding layer by means of experiments of the matrix steels containing Nb and Nbfree.
采用以尿素为主要原料的液体软氨化工艺，对阀杆(35钢)进行了氮化处理。
The valve rod (steel 35) is nitrided in the fluid soft nitriding process, the main material being made up of urea.
采用以尿素为主要原料的液体软氨化工艺，对阀杆(35钢)进行了氮化处理。
The valve rod (steel 35) is nitrided in the fluid soft nitriding process, the main material being made up of urea.
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