Metal Material Test

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(1) Spark spectrometer

Spark spectrometer is a rapid quantitative analysis instrument which can analyze the composition of ferrous and

non-ferrous metals.

The principle of spark spectrometer is: it uses the high temperature of arc to gasify the elements in the metal

sampleand stimulate the characteristic wavelength of each element. With the grating, the ‘spectrum’ is

arranged accordingto the different wavelength range.

These characteristic spectral lines of the elements go into therespective photomultiplier tubes through the slit.

Then the light signal is transformed into the electrical signal. At last, all the signals are processed by the computer

system,

and the computer will print out the percentage of each element.


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Test items: chemical elements detection of steel.

Measure object: carbon structural steel, quality carbon structural

steel, etc.


Test items: chemical elements detection of steel.

Measure object: carbon structural steel, quality carbon structural

steel, etc.


(2) Metallurgical microscope

According to the metallography, it establish the quantitative relationship between the alloy composition,

organizationand performance by 3D morphology of the microstructure of the alloy determined by the

measurement and calculation of thetwo-dimensional metallographic specimen surface or the metallographic

micro-structure of thin flms.Test items:

chemical elements detection of the casting base, rack.


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Test items: chemical elements detection of the casting base, rack.

Measure object: nodular cast iron, gray cast iron, carbon steel.


(3) Micro control electro-hydraulic servo universal testing machine

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Test items: tensile test, strength test, elongation.

Measure range: tension 600 KN.