This paper introduces the basic principle of fast evaluating the pearlite content in nodular cast iron by electro-magnetic effect, the testing method and the transducer technology. 介绍了电磁法快速检测球墨铸铁珠光体含量的基本原理、检测方法及传感器技术。
The Process of Heat Treatment for Particle Pearlite Malleable Cast Iron 获得粒状珠光体可锻铸件的热处理工艺
Network cement is distributed to the pearlite matrix with the ordinary low carbon white cast iron. 低碳白口铸铁的铸态组织为珠光体基体上分布网状渗碳体。
The results showed that the composite pipe is composed of ceramic layer, pearlite transition layer and cast iron layer with white iron layer, heat diffusion zone and matrix of base nodular cast iron. 结果表明:复合管由陶瓷层/珠光体过度层/铸铁层组成,铸铁层又由白口层/扩散层/原始球墨铸铁基体组成;
An as-cast high-strength pearlite ductile iron with good toughness was fabricated by method of the addition of Cu, Sb alloying elements in conventional nodular cast iron. 采用Cu、Sb合金化元素和余温正火工艺获得铸态高强度和具有良好韧性的珠光体球墨铸铁。
Investigation on Chromium As-cast Pearlite Nodular Cast Iron 铬铸态珠光体球铁的研究
According to principle of damage mechanics, the evolutional law of damage in pearlite ductile cast iron has been studied under fatigue and tension loading. 利用损伤力学原理,研究了珠光体球墨铸铁在疲劳和拉伸载荷作用下的损伤演变规律。
Productive Technique of Camshaft of Pearlite Malleable Cast Iron 珠光体可锻铸铁凸轮的生产技术
The results showed that the electric resistivity of pearlite and pearlite ferrite ductile cast iron increases with number of nodular graphite, and the influence of number of nodular graphite on electric resistivity of ferrite ductile cast iron is not remarkable. 研究结果表明,珠光体和混合基体球墨铸铁的电阻率随石墨球数增加而逐渐提高,而石墨球数对铁素体基体的球墨铸铁电阻率影响不显著;
Based on common nodular cast iron, a pearlite nodular cast iron was obtained by normalizing and adding alloying elements of Cu, Sb. 在普通球墨铸铁的基础上,加入Cu、Sb合金元素,通过余温正火工艺,获得铸态珠光体球墨铸铁。
The results show that the fatigue damage variable of pearlite ductile cast iron as a function of fatigue cycle varies according to the index law. 结果表明:球墨铸铁的疲劳损伤变量随疲劳周数呈指数规律变化;
According to the principle of damage mechanics, the evolutional law of fatigue damage of pearlite ductile cast iron was studied with double arms electrical bridge for measuring electrical resistivity. 根据损伤力学原理,用双臂电桥测量电阻的方法,研究了珠光体球墨铸铁的疲劳损伤演变规律。
Investigation has showed that fairly high strength and toughness could be reached by using chromium as alloying element of as-cast pearlite nodular cast iron so long as the composition matching was rational and treatment process was proper. 研究表明,将铬作为铸态珠光体球铁的合金元素,只要成分匹配合理,处理工艺得当,可获得较高的强韧性;
Damage Mechanical Properties of Pearlite Ductile Cast Iron 珠光体球墨铸铁损伤力学性能的研究
The results show that non-flaky graphite and pearlite can form in cast iron of composition range 1.63%~ 1.88% C and 1.90%~ 2.18% Si of which mechanical properties are much better. 结果表明,在成分范围为1.63%~1.88%C和1.90%~2.18%Si的铸铁中,可形成非片状石墨和珠光体,具有较好的力学性能。