Effect of casting wall thickness on tensile fracture morphology of Austempered Ductile Iron
The figure shows the secondary electron image of tensile fracture of Austempered Ductile Iron with different wall thickness treated at […]
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Problems in research of Austempered Ductile Iron
Heat treatment is usually used in strengthening and toughening treatment of ductile iron. The heating temperature of most heat treatment
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Effect of as cast microstructure on tensile fracture morphology of Austempered Ductile Iron
The drawing shows SEM pictures of tensile fracture surface of Austempered Ductile Iron with different as cast microstructure after treatment
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Research achievements of Austempered Ductile Iron in China
In terms of molten iron melting and spheroidizing treatment, Shen Yonghua has produced high-quality Austempered Ductile Iron blanks by using
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Effect of as cast microstructure on tensile properties of Austempered Ductile Iron
The percentage of pearlite in as cast ductile iron with MS = 0.25 cm, Ms = 0.50 cm, Ms =
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Research progress of Austempered Ductile Iron in China
It is the first time in our country to austemper the rare earth magnesium nodular iron at lower temperature and
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Effect of technological factors on mechanical properties of Austempered Ductile Iron
The combination of high strength, good toughness, high specific strength, good wear resistance and high fatigue strength of austempered ductile
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Foreign research on isothermally quenched ductile iron
Krzy ń ska a analysis by transmission electron microscopy (TEM) shows that the ferrite in acicular ferrite in ADI is
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Distribution of carbon in matrix micro zone of Austempered Ductile Iron
Fig. 1, Fig. 2 and Fig. 3 show the linear scanning position and energy spectrum test results of carbon element
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Research progress of Austempered Ductile Iron abroad
The research of Austempered Ductile Iron in the world began in the 60s of last century At the end of
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Isothermal salt bath and tempering of spheroidal graphite cast iron
In order to obtain ADI material with stable structure and performance, the salt bath used for isothermal transformation should have
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Material analysis of sand casting axle housing
The steel contains no other alloying elements except carbon and silicon and manganese alloy elements for deoxidation. This kind of
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TEM analysis of fine structure of ultra fine austenite in Austempered Ductile Iron
Fig. 1 and Fig. 2 show the transmission electron micrograph and selected area electron diffraction pattern calibration of the austenite
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Isothermal transformation temperature and time of Austempered Ductile Iron
As a key factor affecting the microstructure and properties of austempered ductile iron, the range of isothermal quenching temperature (TA)
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Effect of as cast microstructure on Microstructure of Austempered Ductile Iron
After austenitizing treatment and isothermal transformation, the microstructure of ductile iron has changed obviously. Figure 1 shows the microstructure of
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Effect of austempering process on Microstructure of Austempered Ductile Iron
The austenitizing and isothermal transformation treatment was carried out on several samples taken from Φ 50 mm ductile iron test
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Austenitizing temperature and holding time of Austempered Ductile Iron
The increase of austenitizing temperature (t γ) and the prolongation of austenitizing holding time (t γ) can increase the solid
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Chemical composition of austempered ductile iron blank
The small fluctuation range of chemical composition, especially the content of C, Si, Mn, P, s, re and Mg, is
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Correlation between matrix type of as cast ductile iron and carbon content in austenite
When the chemical composition of molten iron is constant, the smaller the casting modulus, the higher the amount of P
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Internal quality of austempered ductile iron blank
The quality of ductile iron blank is the key to prepare high performance ADI material. The more graphite spheres are
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Correlation between casting modulus and carbon content in austenite
Under the same austenitizing process parameters, the change of carbon content in austenite with modulus is shown in the figure.
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Development of Austempered Ductile Iron
Austempered Ductile Iron material standard American, European, Japanese and Chinese Austempered Ductile Iron grades and performance standards. The publication and
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Effect of austenitizing process parameters on carbon content in austenite of as cast nodular cast iron with different modulus
The as cast nodular iron with MS = 0.25cm, 0.50cm and 1.25cm were austenitized and water quenched respectively. Fig.1 shows
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Preparation principle of Austempered Ductile Iron
Isothermal transformation of ductile iron The specific process of Austempering is as follows: the nodular iron castings are heated to
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Variation of carbon content in ferrite of as cast nodular cast iron
Carbon content in bovine eye ferrite The microstructure of as cast ductile iron with MS = 0.25cm consists of 73.7%
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Preparation of nodular cast iron test
Chemical composition of nodular cast iron Qt400-18 nodular iron is selected for the study of austenitizing and austempering treatment in
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Optimization of austenitizing parameters and Austempering transformation of nodular cast iron
In the 1930s, the isothermal quenching heat treatment technology was put forward in the United States through the isothermal transformation
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Design of sand core exhaust passage of ductile iron intake cylinder
When the high temperature molten iron is poured into the furan resin self hardening sand mold, the furan resin, curing
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Detailed explanation of casting process for lost foam casting shell (3)
5.Buried box with empty shell 5.1 preparation before embedding The inner wall of the roasted hollow shell cavity is smooth,
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Design and calculation of sand core head of ductile iron cylinder
The design of sand core head of intake cylinder is the most important content in sand core design, and also