Effect of molybdenum on carbide precipitation, microstructure and properties of gray cast iron
Gray cast iron wheel hub is one of the important parts of heavy-duty truck. When heavy-duty truck travels down the […]
Gray cast iron wheel hub is one of the important parts of heavy-duty truck. When heavy-duty truck travels down the […]
At present, many measures to improve the strength of gray cast iron often have an adverse impact on its machinability.
Modification is a method of adding a small amount of elements or their compounds to the molten metal to control
Gray cast iron is a low-cost material. It has good thermal conductivity, good mechanical properties and wear resistance due to
There are many factors affecting the formation of quenching cracks in steel parts, mainly including metallurgy, structure, technology and so
Sliding bearing plays a supporting role in the operation of the motor, bears the radial load and ensures the high-speed
As shown in the figure, the hardness and tensile strength results of vanadium titanium gray cast iron with different components
It can be seen that under the condition that the basic composition of gray cast iron is basically the same,
The selection of inoculants should be based on the purpose of inoculation and the production conditions of gray cast iron
Due to its good casting performance, low manufacturing cost, easy control of casting quality and some specific excellent properties, such
Figures (a) ~ (d) are metallographic photos of vanadium titanium gray cast iron with different components. It can be seen
According to the gear specification, the design structure of cast steel gear is divided into full circle structure, 1 /
1. Composition design In order to understand the influence of vanadium, titanium, carbon and silicon content on the microstructure and
Open riser empty shell pouring can effectively solve the problem of casting crack. The occurrence of casting cracks in the
With the progress of science and technology, green sand casting technology has made great progress, but there are some problems
There is no aluminum alloy brand equivalent to d357 alloy in sand casting aluminum alloy materials in China, and the
The thermal fatigue resistance of gray cast iron can be characterized by its tensile strength at corresponding temperature, which has
China produces more than 30 million tons of foundry used sand every year, and some large foundry enterprises discharge more
ZHY casting’s senior engineer team was lucky to participate in the preparation of a new lost steam Steelcasting production line.
(1) Sand casting process: it is a casting system composed of molding, core making, drying, mold closing, pouring, sand dropping,
The cylinder heads of high-speed and heavy-duty marine diesel engines are mostly high toughness ductile iron (see Figure). The cooling
1. Tensile strength test The experimental results of tensile strength of samples after different high temperature oxidation cycles are shown
At present, organic binders are widely used in the casting industry, with many advantages, such as large production output, low
(1) What is the lost foam casting process: the lost foam casting process is called full mold casting and vaporization
Confirmation of the main factors affecting the casting process deformation defects of bed castings, track and observe the actual production
The design and selection of mold materials is something that mold designers must carefully consider, so that the materials can
1. High temperature oxidation cycle test The size shall be 30 mm in a muffle furnace × 30 mm ×
Nodular cast iron has high mechanical properties, good sand casting performance, good fluidity, no hot crack tendency, shrinkage and high
Among all the components of water-based lost foam casting coating for cast iron, refractory aggregate is the main part. The
A base is an important part of 430 vertical milling machine of a machine tool Co., Ltd. It is made