Eutectic group of gray cast iron
According to the outer contour, the eutectic group of gray cast iron can be divided into three types: spherical eutectic […]
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XRD test and analysis of gray cast iron
Of low carbon equivalent gray cast iron modified by rare earth α- The lattice constant of Fe is measured by
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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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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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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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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
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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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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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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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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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
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Analysis of production defects in sand casting of steel castings
(1) The section diagram corresponding to the casting defect I is shown in Figure 1. The casting defect I occurs
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Production verification of sand casting of steel castings
1.Mold making and trial production According to the designed process drawing and tooling drawing, the die quotation is carried out.
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Test of mechanical properties of gray cast iron
1.Sample preparation The tensile strength of low carbon equivalent gray cast iron was measured by hydraulic universal tensile testing machine.
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Comparison of graphite morphology of gray cast iron
Comparing the graphite morphology of low carbon equivalent gray cast iron treated with different rare earth addition, it can be
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Damage detection and casting defect statistics of typical four branch cast steel joints
As shown in Figure 1, because the shape of casting defects in the node is irregular, the maximum value of
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Tensile strength of gray cast iron
In the experiment, the molten iron of the same furnace is used to prepare gray cast iron according to the
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Effect of different inoculants on Microstructure of high strength gray cast iron
The strength of gray cast iron depends on the type of graphite and matrix structure in its microstructure. When the
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Flaw detection in casting workshop of mass production of railway steel castings
The flaw detection in the casting workshop mainly detects the superficial cracks of steel castings after pre normalizing and air
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Design of gating system in sand casting
Draw the process drawing of sand casting according to the processing quantity and riser calculated before. Refer to attached Fig.
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Casting property test of gray cast iron
1.Liquidity test As shown in Figure 1, the experimental fluidity test adopts the method of single helix wet sample. The
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NDT and casting defects of typical four branch cast steel joints
The test piece shall be cut in the area where the casting defects are concentrated as far as possible in
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Effect of different inoculants on mechanical properties of high strength gray cast iron samples
Four kinds of inoculants were selected in the experiment, which were 75sife, SRSI, basi, sisR (80%) and 75fesi (20%) composite