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
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Detailed explanation of casting process for lost foam casting shell (2)
4.Baking of coating shell The baking of coating shell is the key link of the process. In the process of
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Design of sand core shape of nodular cast iron inlet cylinder
Sand cores are used to form the inner cavity, the hole and the parts that cannot be realized by the
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Detailed explanation of casting process for lost foam casting shell (1)
Casting Name: 105 type cable head; material: ZG310-570; geometric dimension: 620 mm × 290 mm × 210 mm; single piece
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Determination of important casting process design parameters of nodular cast iron intake cylinder
Process design parameters are some parameters related to the pattern and core box manufacturing size, which have a direct impact
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Casting technology of lost foam casting shell
The shell casting process of lost foam casting has cleaned the foam thoroughly and thoroughly through the roasting process before
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Selection of pouring position of nodular cast iron into cylinder
The casting process plan mainly includes the selection of molding method, pouring position and parting surface. The determination of casting
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Heat treatment of high strength and high toughness cast lock ring for dredger
The reason is that a lot of alloy elements are added into the casting during the process of proportioning, among
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Determination of parting surface of nodular cast iron inlet cylinder
Parting surface refers to the contact surface of each casting mold which is divided into several segments. In practical production,