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
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Simulation of shrinkage cavity formation in cylindrical steel castings
This steel casting is also an actual pouring example to test the simulation accuracy of the software. The shape of
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Effect of rare earth on Microstructure and properties of cast iron
Since the 1980s, the rare earth industry has developed rapidly. Whether abroad or at home, the application technology of rare
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Introduction to gray cast iron
Gray cast iron has low cost, low price and wide application. It has always accounted for a large proportion in
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Sand casting process design
(1) Modulus calculation To calculate and design the riser, first analyze the product structure and calculate the modulus of thick
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Sand sticking defects on the surface of wet molding clay sand steel castings
Surface sand sticking defect refers to the adhesion of a layer of sand particles on the surface of steel castings
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Sand inclusion defects of wet molding clay sand steel castings
Sand inclusion defects are surface defects of wet molding clay sand expansion, which mainly appear on the upper and side
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Spheroidizing treatment of lost foam casting of nodular cast iron
As a high-performance material, nodular cast iron has been widely used in many industries. After years of development, the output
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Description of casting defects of cast steel joints
The description and general impression of casting defects of various cast steel joints are as follows: (1) The four cast
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Boundary contour and solidification state display of sand casting
In the visualization of metal solidification numerical simulation, when the sand casting solidifies gradually, to display the solidification state, it
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Study on Machinability of gray cast iron for engine block
1.The designed and manufactured three-dimensional force mounting calibration device can calibrate the stress-strain system simply, quickly and accurately when measuring