| 1. | Study and application of modification tungsten alloy white cast irons
变质处理钨合金白口铸铁的研究和应用 |
| 2. | Application of differential thermal analysis in the modified effect of aluminium alloy
微分热分析法在铝合金变质处理上的应用 |
| 3. | Review on research and application of the technology for fast evaluating al - si alloy modification
合金变质处理效果炉前快速检测技术研究与应用状况 |
| 4. | The results show that the hadifield - steel which is modified by rare - earth has good performance and can meet the performance requirement of lining board of the cone crusher
试验结果表明，设计的改性高锰钢经稀土变质处理后性能良好，能满足大型镍铜矿用圆锥破碎机衬板的性能要求。 |
| 5. | On the base of the research of composition , the influence of modification with re , ti , mg , re - ti - mg ( wt , % ) on high speed steel of composite roll is investigated emphatically
在对化学成分研究的基础上，重点研究了利用re 、 ti 、 mg 、 re - ti - mg -进行变质处理对复合轧辊用高速钢显微组织的影响。 |
| 6. | Smelting protection , refining , degassing and modification treatment of mg alloy are surveyed home and abroad . the existing problem in practical production process is pointed out and the developing tendency of mg alloy smelting process is suggested
综述了国内外镁合金的熔炼保护、精炼及变质处理工艺现状；指出了现有生产工艺存在的问题，提出了未来的发展方向。 |
| 7. | Abstract : smelting protection , refining , degassing and modification treatment of mg alloy are surveyed home and abroad . the existing problem in practical production process is pointed out and the developing tendency of mg alloy smelting process is suggested
文摘:综述了国内外镁合金的熔炼保护、精炼及变质处理工艺现状；指出了现有生产工艺存在的问题，提出了未来的发展方向。 |
| 8. | In order to improve the formation and distribution of carbides and the resistance to oxidation of high speed steel during the procession of heat treatment , the content of w and mo should be limited and the content of v and nb should be en
4 m复合变质处理的高速钢fe卫ce v斗mo 5ocr刁0wi 5onb ，其热处理组织中分布着大量细小弥散的粒状碳化物，碳化物网基本上得到消除。 |
| 9. | When the content of w is 4 % or 6 % , m ( , c carbides increase distinctly despite of the major carbides of m2c and mc / m2c distributed along the crystal boundary in the solidification microstructure . the element of niobium can accelerate the formation of mc carbides and form the composite carbides of v and nb
扫描电镜和能谱分析表明，用1刀ti变质处理时，变质剂中的ti可以和钢液中的c生成大量弥散的n质点1汇作为异质核心促使了v 、 nb形成mc型碳化物。 |
| 10. | The results show that , after transformation the size , shape and distribution of primary silicon in hypereutectic al - si alloy have a serious effect on the tool life and the machined surface quality of the alloy , the alloy whose primary silicon is fine , spread and dull angular has a better machinability
试验结果表明：过共晶铝硅合金经变质处理后组织中初晶硅的大小、形状和分布状况对切削刀具寿命和合金的切削加工表面质量影响极大，具有细小、分散而形状圆钝化初晶硅的合金有比较好的切削性能。 |
