hypereutectic

Cladding-rolling for Hypereutectic High Si Aluminum Alloy;

过共晶高硅铝合金的包覆轧制工艺初步研究

Study on the Modification Technique for the Hypereutectic Al-Si Alloys;

过共晶铝硅合金变质工艺研究

Effect of ultrasonic vibration on microstructure of semi-solid hypereutectic Al-Si alloy slurry;

超声振动对过共晶Al-Si合金半固态浆料凝固组织的影响

Adding element Bi to eutectic crystal and hyper-eutectic Al-Si alloy and forming multiple unit Al-Si-Bi alloy, which has crystallization characteristic of monotectic transition.

通过在共晶、过共晶Al-Si合金中加入元素Bi的试验。

2% Cr hyper-eutectic alloy has been investigated by means of scanning electron microscopy,and the growth mechanism of dendritic Cr and equiaxed Cr in as-cast state are analysed.

分析与讨论结果对过共晶Cu-Cr合金的微观组织具有重要意义。

Ultra-refinement of hypereutectoid steel during deformation of undercooled austenite;

过共析钢在过冷奥氏体形变过程中的组织超细化

In order to detect the carbide network in high carbon hypereutectoid steel wire rods accurately,two kinds of detection method of the carbide network are compared.

为了准确地检验高碳过共析钢盘条中的网状渗碳体,分别对选用硝酸酒精溶液侵蚀和碱性苦味酸钠水溶液热侵蚀两种显示方法进行了比较。

The effects of Al on the microstructures of transformation during slow cooling and dy- namic phase transformation of undercooled austenite of hypereutectoid steel were investigated by hot uniaxial compression tests.

利用Gleeble 1500热模拟试验机进行单轴热压缩实验,研究了合金元素Al对过共析钢缓冷相变和过冷奥氏体动态相变组织的影响。