nodular cast iron

The thickness of nitrided layer in three parts of lzqt600-3 ductile iron profile was measured. It can be seen from

The picture shows the XRD spectrum of the surface of the sample at the edge after being treated at 540

The picture shows the SEM morphology of the cross section of the nitrocarburized sample at the edge of lzqt600-3 ductile

The figure shows the potentiodynamic polarization curves of three parts of lzqt600-3 ductile iron profile in 3.5% NaCl solution. The

Figure 1 shows the equivalent circuit diagram of three parts of lzqt600-3 ductile iron profile in 3.5% NaCl solution. R1

As a hydraulic component, plunger pump has the characteristics of precision, high cost and sensitivity to oil level pollution. When

The figure shows the friction coefficient of different parts of lzqt600-3 ductile iron profile. The friction coefficients of the edge,

Figure 1 shows SEM morphology of pearlite in different parts of lzqt600-3 ductile iron profile. The pearlite clusters in the

The figure shows the matrix structure of lzqt600-3 ductile iron profile at different parts. In figure (a), the microstructure is

The diameter distribution of graphite balls in three parts of lzqt600-3 ductile iron profile was analyzed by Excel and Image

The shape factors of graphite balls in three parts of lzqt600-3 ductile iron profile were analyzed by Excel and Image

The figure shows the statistical results of the number of graphite balls in three parts of lzqt600-3 ductile iron profile.

The corrtest electrochemical test system can automatically carry out the electrochemical corrosion test and fit the test curve. Before the

The friction and wear tests of nitrocarburizing samples were carried out on a friction and wear testing machine. The friction

According to the statistics of pearlite content in the structure of nodular cast iron under corrosion state, the gray data

Spheroidization rate is one of the important and often used evaluation criteria of ductile iron. The calculation method is as

Based on the national standard GB / T 9441-2009 metallographic examination of nodular cast iron, the following four parameters are

In order to avoid too many times of Nitrocarburizing on different parts of lzqt600-3 ductile iron profile, the difficulty of

During the production of lzqt600-3 ductile iron profile, due to its inherent process characteristics, the molten iron after spheroidizing treatment

The as cast nodular iron with MS = 0.25cm, 0.50cm and 1.25cm were austenitized and water quenched respectively. Fig.1 shows

Carbon content in bovine eye ferrite The microstructure of as cast ductile iron with MS = 0.25cm consists of 73.7%

Chemical composition of nodular cast iron Qt400-18 nodular iron is selected for the study of austenitizing and austempering treatment in