Phase and element distribution of high chromium cast iron ztap / HCCI composite
Figure 1 shows the XRD pattern of ztap / HCCI composite. The phases of the composites mainly include Al2O3 in […]
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Test materials and methods of tempering temperature for 30cr13nb0.1 cast martensitic stainless steel
Test material and heat treatment process The ingot containing 0.117% Nb (mass fraction) was melted in 15 kg medium frequency
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Microstructure and morphology of high chromium cast iron ztap / HCCI composite
Figure (a) shows the overall metallographic structure (after heat treatment) of ztap / HCCI composite under optical microscope. The microstructure
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Effect of tempering temperature on Microstructure and properties of 30cr13nb0.1 cast martensitic stainless steel
30cr13 martensitic stainless steel has good mechanical properties, hardenability and corrosion resistance, which is widely used in medical devices, measuring
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Macro morphology of high chromium cast iron ztap / HCCI composite
The macro morphology of the preform is shown in figure (a). After sintering, ztap is fully wrapped by HCCI to
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Experimental materials and methods for hypereutectic Al Si alloy by high pressure rheo squeeze casting
The nominal composition of the experimental alloy is shown in Table 1. The raw materials are: al-24.45% Si master alloy,
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Wear resistance of ZrO2 toughened Al2O3 ceramic particles reinforced high chromium cast iron matrix composites prepared by powder sintering and casting methods
1.Selection and properties of preform materials The mass fraction of ZrO2 in ztap is 40wt%, the particle size is 1
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Effect of high pressure rheo squeeze casting on hypereutectic Al Si alloy
(1) The results show that the Fe rich phase in al-17si-1fe alloy contains only long needle like β phase when
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Improvement of slag hole defect in crankshaft casting of large engine
The slag holes are mainly distributed around 2 and 5 turns, accounting for 22.7%; the defect area is large and
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Effect of high pressure rheological squeeze casting on hypereutectic Al Si alloy
Hypereutectic Al Si alloys have been widely used in the manufacture of automotive engine piston, cylinder block and other parts
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Improvement of cold shut defect in crankshaft casting of large engine
The generation of cold shut is directly affected by the temperature of molten iron. At a certain temperature, the design
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Wear resistance of ZrO2 toughened Al2O3 ceramic particles reinforced high chromium cast iron matrix composites prepared by powder sintering and casting methods
High chromium white cast iron or high manganese steel is usually used to cast wear-resistant parts such as grinding roller,
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Solution of air gap defect in crankshaft casting of large engine
The air-conditioner of the defective product is mainly located at the highest point of the mold, i.e. 2 and 5
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Iron coated sand technology for large engine crankshaft
Large castings are not rare in iron mold sand coating process casting, but for large engine crankshaft castings with large
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Formation of defects in crankshaft casting of large engine
Air conditioner The cold air gap is the gap that penetrates or does not penetrate the casting, and the edge
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Application test of φ 150 mm multiphase wear resistant cast steel ball
1.Characteristics of wear resistant steel ball The composite wear-resistant casting steel ball has excellent comprehensive properties such as high strength,
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Microhardness optimization of nodular cast iron plunger pump block
The microhardness of lzqt600-3 ductile iron profile was tested under the optimal scheme of nitrocarburizing state in three parts. The
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φ 150 mm multiphase wear resistant cast steel ball
The steel ball used in ball mill can be divided into casting ball and forging ball. Generally, the diameter of
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Study on Microstructure and properties of nodular cast iron plunger pump block by nitrocarburizing process
Lzqt600-3 ductile iron profile with horizontal continuous casting was selected as the research object. The as cast microstructure and properties
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Friction factor curve and surface wear morphology of as cast and nitrocarburized samples at the edge of ductile iron profile
As cast and qsa313 The curve of the two samples first rises and then decreases, and fluctuates greatly. This is
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Microstructure and properties of nitrocarburizing strengthening layer on the surface of nodular cast iron plunger pump
The morphology and properties of Nitrocarburized layer of lzqt600-3 ductile iron profile at different positions were studied. The microstructure of
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Analysis of friction and wear properties of nodular cast iron plunger pump cylinder block by Nitrocarburizing
The significance of the comprehensive score data of friction and wear at the edge, 1 / 2R and center was
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Optimization of surface hardness of cylinder block of nodular cast iron plunger pump
The range and variance analysis of orthogonal experiment were used to analyze the experimental results. Through the comprehensive balance method,
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Friction and wear properties of nodular cast iron plunger pump block by Nitrocarburizing
The friction and wear properties of lzqt600-3 ductile iron profile at different positions were tested. Among them, the comprehensive score
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Performance test of nodular cast iron plunger pump cylinder
(1) Surface hardness test In order to make the depth of indentation less than the thickness of the layer and
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Microhardness analysis of nodular cast iron plunger pump block by Nitrocarburizing
The effective hardening depth of three parts of lzqt600-3 ductile iron profile was measured. According to the measured data, the
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As cast microstructure of nodular cast iron plunger pump cylinder
The sample is taken from the edge, 1 / 2R and center of lzqt600-3 ductile iron profile. It is first
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Microhardness of nodular cast iron plunger pump block by Nitrocarburizing
The microhardness of different sections of the nitrocarburized lzqt600-3 ductile iron profile was tested. The effective hardened layer depth of
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Microstructure and properties of nodular cast iron plunger pump block by nitrocarburizing process
From the development and research trend of chemical heat treatment in atmosphere in recent years, it is still a hot
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Analysis of surface hardness of nodular cast iron plunger pump block by Nitrocarburizing
The evaluation index of the data is the visual analysis chart of the influence of various factors on the surface