spheroidal graphite cast ironaluminummicrostructurepearlitegraphitemicro-hardnessIn the present research work, the effect of various aluminum contents on the microstructure of spheroidal graphite cast irons produced via the in-mold process was investigated. Samples containing 0, 3.7, 5.5, 6.4 and 7.5 wt...
Spheroidal graphite (SG) cast iron is often plasma nitrided for corrosion resistance, and plasma nitriding has been proposed as a surface engineering treatment to improve wear resistance. However, the microstructure of austempered SG iron comprises constituents that may be unstable at nitriding ...
(ISO 148-1:2009) EN ISO 945-1:2008, Microstructure of cast irons Part 1: Graphite classification by visual analysis (ISO 945-1:2008) EN ISO 6506-1, Metallic materials Brinell hardness test Part 1: Test method (ISO 6506-1) EN ISO 6892-1:2009, Metallic materials Tensile testing Part 1...
1) spheroidal-graphite cast iron 球状石墨铸钢2) spheroidal graphite cast steel 球墨铸钢 1. The paper studied and analyzed uitra-high carbon cast steel with spheroidal graphite microstructure morphology after as-casting,annealing,normalizing and forging with spheroidal graphite cast steel by means of ...
英文名称:Microstructure of cast irons — Part 4: Test method for evaluating nodularity in spheroidal graphite cast irons 标准状态:现行 发布日期:2019-05-03 文档简介 1.样品准备:首先,从铸件中获取一个样本,该样本应尽可能地代表铸件的整体。这个样本应该是一个小块,大约1厘米见方。
Austenitic nodular cast iron has been used for the manufacture of small propellers. It contains around 20–22 per cent nickel and 2.5 per cent chromium and the microstructure has an austenitic matrix with graphite in spheroidal form. Its resistance to impingement attack and corrosion approaches that...
Increasing the graphite nodule counts and refining the microstructure increase the region I period, and improve the resonant vibration fatigue life. During fatigue fracture process under resonant vibration, cracks mainly initiate from graphite nodules and some from eutectic cell walls. The eutectic cell ...
1. Microstructure and properties of ESD coating on spheroidal graphite roll 球墨铸铁轧辊电火花沉积层组织结构和性能更多例句>> 2) nodular cast iron hot roller 球墨铸铁热轧辊 1. According to the urgent demands on extending the working life of nodular cast iron hot rollers, and the severe crack...
Abrasive wear resistance of austempered ductile iron at room temperature The use of austempered ductile iron obtained by heat treating spheroidal-graphite cast iron is very important in the gear industry. However the nature of the bainitic structure, which is used to improve wear resistance, has nev...
Microstructure of spheroidal graphite aluminum-alloyed cast irons (SGAACI) containing up to 7.5 wt% produced via in-mold process Article 05 April 2020 References R.W. Heine, C.R. Loper, Dross formation in the processing of ductile cast iron. Trans. Am. Foundrymen’s Soc. 74, 274–280...