(1) Type of alloy used Aluminum alloy, nodular cast iron, gray cast iron, special cast iron, low carbon steel, ordinary carbon steel, special cast steel and stainless steel are the main alloys used in lost foam casting production in China. From the production practice, gray iron castings with high...
The creep effect of rare earth was found in the process of treating nodular cast iron with rare earth, but it was only treated as a “defect” at the beginning. Vermicular cast iron was first reported in morrogh’s works in 1948, but China began to study vermicular cast iron...
As early as in, the United States studied high chromium cast iron. Due to the high content of chromium, on the one hand, chromium is easy to combine with carbon during cupola flame smelting, making the carbon content difficult to control; On the other hand, because chromium is easily...
Low chromium white cast iron is used as the grinding ball of low chromium cast iron. The chromium content is generally 1%~3%, and the iron mold casting process is generally used. Low chromium cast iron grinding ball is relatively cheap because of its simple production process, low alloy content,...
Man28-33d wet cylinder liner is selected as the research object. The blank length of cylinder liner is 686mm and the diameter of inner hole is φ 265mm, the diameter of the outer circle is φ ３５２～３９０ｍｍ。 Figure 1 shows the blank drawing of cylinder liner centrifugal casting drawn by...
Engine is the power source of automobile and ship, and cylinder liner is one of the core components of engine. The cylinder liner is embedded in the cylinder barrel of the cylinder block, the inner hole has a piston for reciprocating motion, and the cylinder head is pressed on...
The purpose of combining mechanical vibration with lost foam casting technology is to solve the problems of coarse structure and low performance of lost foam casting cast iron alloy. The results show that the structure of cast iron alloy can be refined and the properties of cast iron can...
The dual liquid lost foam casting process is proposed to produce bimetallic liner. Placing the wear-resistant cast iron at the bottom of the mold and adopting the pouring process of pouring molten iron first and then molten steel is conducive to ensuring the casting quality of the wear-resistant surface....
The service life of the liner depends on the hardness of the wear-resistant layer of high chromium cast iron, and the hardness of high chromium cast iron must be improved by heat treatment. The austenitizing temperature in the destabilization heat treatment process and the cooling rate in the air...
According to the element distribution of line scanning and surface scanning, the thickness of interface bonding zone of composite samples with different interval of 75s (2#), 90s (1#) is inferred (as shown in Figure 1). 2. The thickness of the interface bonding zone of the sample is about 43...