Free linear shrinkage of gray cast iron
It can be seen from the measurement results of free linear shrinkage and its corresponding relationship curve in the table […]
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Changes of microstructure and hardness of gray cast iron during thermal fatigue
Figure 1 shows the microstructure changes of gray cast iron matrix and unit without thermal fatigue and 300 thermal cycles.
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Defect analysis and solution of High Toughness Nodular Cast iron cylinder head
The cylinder heads of high-speed and heavy-duty marine diesel engines are mostly high toughness ductile iron (see Figure 1). The
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Working conditions and macroscopic failure analysis of tractor track shoes
The working conditions of tractor track shoes are relatively poor. The relative motion characteristics and tribological characteristics of the contact
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Microstructure of gray cast iron base metal and bionic unit
1. Base metal structure of different graphite types Figure 1 shows the graphite type of no.a-no.e, and its chemical composition
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Thermal fatigue and wear resistance of gray cast iron
Gray cast iron has the advantages of good castability, low casting cost, easy cutting and excellent shock absorption. It is
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Hardness of gray cast iron
The hardness of low carbon equivalent gray cast iron treated with rare earth is also compared with HT250 inoculated with
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Effect of graphite type on Wear Properties of laser bionic gray cast iron
When studying the performance of gray cast iron brake drum, thermal fatigue makes the material crack, but the brake drum
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Process design of sand core system for steel castings
For less complex steel castings, in order to save man hours and improve the quality of steel castings, the number
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Flaw detection in finishing workshop for mass production of railway steel castings
The flaw detection in the finishing workshop is mainly to detect the superficial cracks of steel castings after quenching and
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Effect of graphite morphology and distribution on properties of nodular cast iron
In recent years, with the development of mechanical equipment towards portability, low energy consumption and high efficiency, new requirements are
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Solutions to casting defects of railway steel castings
In view of various casting defects in the trial production of railway steel castings, combined with the actual production conditions
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Gray cast iron brake drum
The most common brake drum material in the domestic market is basically ordinary gray cast iron. Its advantages are mainly
Gray Cast Iron
Gray cast iron is a type of cast iron that has a microstructure characterized by graphite flakes in a matrix
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Application of steel castings for ship equipment
Ship type military equipment includes destroyers, cruisers, battlecruisers and battleships. Its structure is analyzed and divided into ship platform system
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Production control of shrinkage cavity and porosity defects of steel castings
The complete production process of a casting product includes product design, process design, casting blank production, heat treatment and machining.
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Statistics of casting defect test results of cast steel joints
As shown in the table, the frequency statistics of casting defect size can be obtained by summarizing the sizes of
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Damage detection and casting defect analysis of typical four branch cast steel joints
Casting defect data of 144 large and small sections of cast steel joints, including 74 sections with casting defects, accounting
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Matrix structure of gray cast iron
By comparing the matrix structure of low carbon equivalent gray cast iron treated with different rare earth additions, it can
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Improvement of casting blow hole defect of motor shell
1. Adjust sand core parameters Through the analysis of the formation mechanism of invasive blow hole defects, it can be
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Field wear test of tractor track shoes
In recent years, the track shoe research group has conducted 21 joint loading tests in Guangdong (paddy field), Northeast China
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Process design of riser system for steel castings
After molten steel enters the mold, it will produce shrinkage porosity and shrinkage cavity due to liquid shrinkage, solidification shrinkage
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Effects of different inoculants on cutting properties of high strength gray cast iron
In the process of gray cast iron cutting experiment, the measurement cycle is very short, the cutting length of the
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Process design of gating system for steel casting
The gating system is mainly composed of sprue. Molten steel enters the mold through the sprue. The sprue is divided
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Numerical simulation technology of casting process in China
China has also carried out numerical simulation of casting solidification since 1978. Although it started late, it has also developed
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Process design of cold iron for steel castings
According to the position of the cold iron in the sand mold, it can be divided into internal and external.
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Rare earth elements improve the properties of gray cast iron
Adding rare earth elements into gray cast iron can significantly improve the mechanical properties of gray cast iron, such as
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Primary surface inspection for mass production of railway steel castings
Before the mass-produced coupler products are finally put into storage, they need to go through one preliminary surface inspection, two
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Formation of casting defects in railway steel castings
Cold crack refers to the crack caused by the local casting stress greater than the ultimate strength of the alloy
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Countermeasures for sand casting defects of steel castings
According to the above casting defect analysis and countermeasures, a new process diagram is finally formed, as shown in Figure