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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Rare earth inoculation treatment of gray cast iron
The selection of rare earth inoculated gray cast iron process depends on the addition method of inoculant, mainly including in
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Formation of hot crack defects in railway steel castings
The main defects in the trial production of hook body and hook tongue parts are crack, air hole, sand inclusion
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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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Analysis and optimization of casting defects in trial production of railway steel castings
The basic technological process of trial production of railway steel castings is introduced, the final technological scheme (serving the mass
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Effect of rare earth inoculation on metallographic structure of gray cast iron
By measuring the microstructure and mechanical properties of low carbon equivalent grey cast iron treated by different processes, the mechanism
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Graphite structure of gray cast iron
The soul of gray cast iron is graphite. To study the properties of gray cast iron materials, we mainly study
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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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Improvement of casting defects in solidification process of nodular iron castings
From the solidification volume change model of nodular iron castings, we can get the following measures to guide the process
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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
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Analysis of casting properties of gray cast iron
By measuring the casting properties of low carbon equivalent gray cast iron treated by different processes, the following conclusions are
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Development of rare earth gray cast iron
The strength of gray cast iron mainly depends on graphite and matrix structure. With the increase of carbon equivalent, the
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Theoretical analysis of Nodular Cast Iron Based on magma simulation software
Nodular cast iron belongs to multi-element alloy, and the main influencing elements are Fe, C and Si. Its as cast
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Modification of gray cast iron
The modification effect of gray cast iron is affected by many factors, such as type, composition, size and oxidation degree
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Melting of gray cast iron
In the experiment, the medium frequency coreless crucible induction furnace is selected for the melting of gray cast iron. The
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Burden calculation of gray cast iron
50KW medium frequency induction furnace was used for smelting in the test, with 25 kg charge per group.Proportioning principle: proportioning
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Crack defects of Wet Mold clay sand steel castings
Although the wet mold clay sand has good concession and refrigeration, crack defects still appear from time to time in
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Influence of impurity element titanium on cutting performance of gray cast iron
The comparative experiment of cutting performance of gray cast iron was carried out on CA6140 lathe, and the nsdn-45 °
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Rare earth and low carbon equivalent gray cast iron casting
By studying the changes of casting properties, metallographic structure and mechanical properties of low carbon equivalent grey cast iron under
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Melting of rare earth gray cast iron
1.Charge The quality of furnace charge mainly depends on the content of trace elements in raw materials. The trace elements
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Role of rare earth in gray cast iron
1.Interaction between rare earth and sulfur Sulfur can cause “hot brittleness” of cast iron during smelting of gray cast iron
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Effect of riser in sand casting
The effect of checking the riser mainly includes the check of feeding range and feeding weight. One method to calculate
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Hardness prediction of Nodular Cast Iron Based on magma simulation software
Nodular cast iron is a widely used cast iron material at present. Because of its good mechanical properties, relatively simple
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Technology of sand casting bracket steel castings
1. Problem description Sand casting bracket steel casting, steel casting No. 20e-70-k1432. The steel casting is a new external product
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Shrinkage porosity and shrinkage cavity defects of wet molding clay sand steel castings
The shrinkage porosity and shrinkage cavity defects in the production of Wet Mold clay sand steel castings are mainly related
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Spheroidization of rare earth in cast iron
Spheroidized elements usually have the following common properties: (1) The solubility of elements in molten iron is low and the
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Influence of impurity element titanium on Microstructure of gray cast iron
The microstructure of metallographic samples of gray cast iron after polishing and corrosion was analyzed. The graphite morphology is shown