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- The hypoeutectoid graphitized free cutting steel was proposed. 具有亚共析组织的钢种其石墨化过程一直很难,因此该钢种开发的关键是促进其石墨化过程。
- Refining effect of boron on the hypoeutectic Al Si alloys and pure aluminum has been studied with SEM and XRD. 利用DSC,SEM 和X 射线衍射等手段, 分析了硼对纯铝及亚共晶Al?Si 合金的细化作用。
- Microstructure Characteristic of Hypoeutectic White Cast Iron by Laser Surface Hardening[J]. 引用该论文 姚建华;熊缨;孙东跃;陈智君.
- The modifying elements used in hypoeutectic Al Si alloys,besides Na,there are also Sr,Te,Ba,Sb,K,RE,B,S,etc. 亚共晶铝硅合金的变质元素除钠以外,还有锶、碲、钡、锑、钾、稀土、硼、硫等。其中,应用较多的是含钠和锶的变质剂。
- Globular microstructure of the semi-solid hypoeutectic gray iron was developed by the controlled casting. 用控制铸造法获得了亚共晶半固态灰铸铁球状组织。
- The preparation of hypoeutectic Al-Si alloy billets for semisolid forming by low temperature casting was studied . 研究了低温铸造法制备亚共晶铝硅合金半固态成形用坯料。
- Spheroidization annealing of hypoeutectoid steel is a must of cutting-less processing. 亚共析钢球化退火是满足无切削加工的必要条件,文中列举了3种实用的热处理工艺。
- Reheating state and thixotropic behavior of semisolid hypoeutectic Al-Si alloy were investigated by the penetration method. 采用浸入法研究了半固态亚共晶铝硅合金的二次加热状态及其触变性能。
- The strain of the proeutectoid ferrite in hypoeutectoid steel drawing was measured and analyzed by quantitative metallography. 采用定量金相法分析计算了亚共析钢拉拔变形中先共析铁素体应变量。
- Influence of pouring temperature on the size and shape of primary austenite in semi-solid hypoeutectic high chromium cast iron was studied. 利用倾斜板冷却体法制备了亚共晶高铬铸铁半固态浆料,并且研究了不同浇注温度对半固态亚共晶高铬铸铁初生奥氏体的影响。
- The formation condition and regulation of the semi-solid spheroidal crystal of hypoeutectic hi-Cr cast iron was investigated. 研究了亚共晶高铬铸铁半固态球状晶的形成条件及规律。
- The results show that the alloying surface layer is comprised of three parts which are hypoeutectic layer, eutectoid layer and matrix. 实验证明,所形成的合金化层由三部分组成:亚共晶层、共析层和基体;
- The surface of the hypoeutectic white cast iron of great wearable work piece in common use was treated by laser hardening. 探讨了合金元素、变质处理和热塑性变形对亚共晶白口铸铁组织和性能的影响,确定 了合适的成分范围。
- The feasibility of inner crack intercritieal heat treatmemt in hypoeutectoid steel was analysed in detail by metallurgical principle. 利用金属学原理,分析了亚共析钢内裂纹亚温愈合处理的可行性。
- Results reveal that the bronze vessels are made of Pb-Sn bronze using casting technique,the iron is hypoeutectic white iron,and that the major mineral of the jade is hopfnerite. 结果显示青铜器样品均为铅锡青铜,铸造成形;铁器样品为亚共晶白口铸铁;
- The hardening gradient and the character of abrasion in hardening layer of hypoeutectoid steel with two kinds of matrixes that was treated by laser beam have been studied. 研究了两种基体的亚共析钢经激光处理后,其硬化层的硬度梯度及其磨损特性。
- The effects of alloying elements,modification treatment and thermoplast ic deformation on the structure and properties of hypoeutectic white cast iron w as studied and discussed. 探讨了合金元素、变质处理和热塑性变形对亚共晶白口铸铁组织和性能的影响,确定了合适的成分范围。
- A new two region crystal micro physical model is established.It is used for the primary crystallization of hypoeutectic casts whose thickness is less than the critical value. 提出一种新的两区域结晶,这种两区域模型与三区域模型结晶模型的区别在于:在铸件的一次结晶过程中,铸件断面上不同时出现固相、固液相、液相三区共存的区域状态。
- AlSr10 aluminum strontium alloy modifierPurpose:A1-Sr is applicable to metal casting, low pressure casting and hypoeutectic and eutectic aluminum silicon alloy modification with long casting time. 铝锶合金变质剂用途:A1-Sr适用于金属型铸造,低压铸造及浇注时间较长的亚共晶及共晶铝硅合金的变质处理。
- Wear resistance of hypereutectic high chromium cast iron (3.7%C) with or without Mo was better than that of hypoeutectic high chromium iron, and the impact toughness was approximate to the latter. 无论含钼或不含钼,过共晶高铬铸铁(3.;7%25C)抗磨料磨损能力均优于亚共晶高铬铸铁,冲击韧度与后者相近。