Sand core design of axle housing
The sand core is designed to form the inner cavity, forming hole or the part with complex shape which is […]
Scientific
Scientific
Scientific
Hardness of austempered ductile iron alloy
Effect of as cast microstructure on hardness of Austempered Ductile Iron The hardness test results of Austempered Ductile Iron with
Scientific
Effect of austempering process on tensile fracture morphology of Austempered Ductile Iron
The drawing shows SEM photos of tensile fracture morphology of Austempered Ductile Iron with different austempering process parameters. It can
Scientific
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
Scientific
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
Scientific
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 =
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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.
Scientific
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
Scientific
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%
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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,
Scientific
Effect of pouring composition of nodular cast iron on morphology of thick and large section graphite
Through macroscopic observation and analysis of graphite floating, under the same wall thickness and pouring conditions of inlet cylinder, the
Scientific
Special shaped graphite in the center of Heavy Section Ductile Iron and its physical and chemical properties
Visual observation of the test block section with a thickness of 400mm shows that there are dense distribution of suspected
Scientific
Analysis of the influence of the composition of nodular cast iron on shrinkage and porosity tendency
According to the test results of shrinkage and porosity defects, the shrinkage and porosity defects are mainly concentrated on the
Scientific
Floating graphite on top of Heavy Section Ductile Iron
In order to study the effect of composition on the morphology of thick and large section graphite, bulk sampling was
Scientific
Effect of composition of nodular cast iron on shrinkage and porosity
After shot peening and grinding, ut test was carried out on the surface of the test block after sanding, and
Scientific
Casting melting composition and process setting
In order to ensure that the experiment has accurate guidance for the inlet cylinder casting, the stepped shaped test block
Scientific
Effect of chemical composition on casting properties of ductile iron
The chemical composition directly affects the matrix structure and mechanical properties of nodular cast iron castings. Reasonable chemical composition is
Scientific
Formation mechanism and prevention and control of main defects in nodular cast iron intake cylinder casting
(1) The elements with high content of C, O, Al, Si and some other alloy elements are found in the