Effect of solidification parameters on Microstructure of cast chromium alloy
The effects of pressure on solidification structure, including nucleation rate, undercooling and diffusion coefficient of alloy elements, provide a good […]
The effects of pressure on solidification structure, including nucleation rate, undercooling and diffusion coefficient of alloy elements, provide a good […]
The solidification process can be regarded as a binary system with solid-liquid two-phase equilibrium. The degree of freedom of the
As a big foundry country, the development level of China’s foundry industry is constantly improving. However, the problem of casting
With the continuous development of mechanization and integrated construction in China, the scale of construction machinery industry has been expanded
In order to have an effective understanding of vermicular graphite cast iron technology, we must have a comprehensive understanding of
The effect of semi-solid forming process is better than other methods such as modification. However, the possibility of defects (shrinkage
Directional solidification (UDS) is a method to produce eutectic composites or in-situ composites by applying high directional temperature gradient to
In recent years, with the development of diesel engine to the direction of high power, high strengthening, low noise, low
At present, the dimension measurement methods commonly used in large steel castings are traditional manual measurement, three-dimensional scriber and so
A company in Guangdong has developed the largest integral jaw crusher in China. As the key component of large jaw
Due to the limitation of level and time, there are still some work need to be further studied and improved,
On the basis of lspsf semi-solid pulping process in laboratory, the lspsf control system was upgraded, a set of semi-solid
(1) Preparation and melting of experimental alloy. According to the standard composition of 7075 alloy, the weight of various master
Since the thixotropic properties of semi-solid metals were discovered by American scholars in the 1970s, semi-solid processing technology has been
1. Casting process design According to the structure of the casting, the three box molding process is adopted, as shown
According to the different materials, shapes and sizes of the parts, a variety of different squeeze casting forming processes are
Squeeze casting technology came out in the former Soviet Union in 1937. In the early stage, it mainly focused on
From the study of material usability of squeeze casting technology, almost all kinds of alloys, including casting alloy, forging alloy
Green environmental protection is the theme direction of today’s social development. With the innovation and development of new technologies and
1.The formation mechanism of semi-solid primary non dendrite particles under the action of rotating magnetic field and the mathematical relationship
Semi solid forming is an advanced metal forming process proposed by Professor m.c.flemings of MIT in 1970’s. Semi solid metal
At present, scholars at home and abroad have invented different preparation processes for semi-solid slurry / ingot preparation. The purpose
SLS sintering process and material types have a great influence on the sintering results. Most scholars study the influence of
Rapid casting (QC) is a new technology formed by combining SLS, SLA, FDM and traditional casting technology. The application object
Selective laser sintering (SLS) is also known as selective laser sintering (SLS). As a processing technology based on the idea
Brilliant achievements have been made in semisolid technology in theory and its industrial application is deepening gradually. On the basis
At present, the application scope of gasoline engine in our country is expanding, and because of the large reactive power
Large castings are not rare in iron mold sand coating process casting, but for large engine crankshaft castings with large
The linear shrinkage of the bridge shell has a great influence on the accuracy of the size of the bridge
Taking the tractor split axle housing as the research object, the paper firstly analyzes the process of the overall structure