iron gray

A kind of method to evaluate and test the tension-compression fatigue strength of gray cast iron was introduced in this paper.

介绍了一种评价与测试灰铸铁铸件的拉压疲劳极限的方法。

Based on the temperature recovery method, a new model is presented to handle the latent heat release of gray cast iron during the solidification process of both primary solidification and the eutectic solidification stages.

基于潜热处理的温度回升法，针对灰铸铁凝固过程中具有初晶和共晶两个阶段的凝固特性，提出了适合灰铸铁的带共晶的潜热处理方法。

The subject considers the representative gray cast iron pipe as the studying objects, and controlling water quality stability as the research objectives.

本文以管网中具有代表性的铸铁管为研究对象，以控制水质稳定性为研究目标，系统深入地研究了不同水质变化对管网中铁释放的影响。

When saying these words, Yihe was looking iron gray, eyes casting down.

说这些话时，一禾面色铁灰，眼帘低垂。

Analyzes the histogram of cast iron gray image, using some segmentation methods to segment the cast iron microstructure image, such as threshold method, FCM method, Genetic method and Mathematic morphology method.

对铸铁灰度图像直方图进行分析，利用常用的分割算法：阈值化法、FCM聚类法、遗传算法和数学形态学算法对铸铁金相图像进行分割，分析了分割效果和算法的性能。

Lastly, effects of annealing under high magnetic field on the structure of spheroidal graphite cast iron, gray cast iron and 45# steel were investigated. The solidification of Al-12% Si under high magnetic field was also carried out.

最后本文还分别进行了灰铁、球铁、45钢强磁场下退火处理，以及Al&12%Si合金强磁场下凝固实验，并对实验结果进行了分析。

Site Welding Repair of Gear Cast Iron Gray for Shears

剪板机灰口铸铁齿轮断齿现场焊接修复

The Test and Investigation on the Tension-compression Fatigue Strength of Gray Cast Iron

灰铸铁拉压疲劳极限的试验研究

His iron gray hair was precisely parted and in place.

他铁灰色的头发在正当中分开,梳得整整齐齐.

The characteristics of copper alloy Mold process and its effect on the properties of ductile iron and gray iron castings are presented in this paper.

本文介绍了铜合金金属型的特点及其对所生产的球墨铸铁件、灰铸铁件性能的影响；

Discussion on Thermal Aging of Gray Iron Castings

关于灰铸铁热时效的讨论

Certainly at first glance the formation of iron gray and sullen blue looked very much as if a new mountain had thrust up from the ground.

在第一眼看见那铁灰和暗蓝色的结构时确实很像一座新的山脉从地面上升起。

The equipments can cast aluminum alloy, stainless steel, copper, ductile iron, gray iron, vermicular iron and different conventional metal parts.

并且可以浇铸：铝合金、不锈钢、铜、球铁、灰铁、蠕铁等不同常规金属件。