Hardness testing is a precision science whose estimates are used in mechanical works. There are 4 different types of hardness testing, each with a different approach but with the same outcome. Vickers Hardness test is one of them. The system of hardness testing was designed as an alternative to the Brinell method. Whereas the Brinell process banked on ball size, test force, and sample dimension, the Vickers method derived its outcome from the ability of the indenter to penetrate the material.
How Vickers Testing Works
To get the measure of hardness of any material, the calculations are compared to how the material resists plastic deformation. What makes Vickers testing stand out is that it can be used on any material. Also, the size of the indenter does not influence the hardness of the material.
The pyramid-shaped indenter compresses the material to produce geometrical impressions. The impressions give the measurement points from which the hardness calculations derive. The Vickers hardness test is given as the Diamond Pyramid Number (DPH) or Vickers Pyramid Number (HV). The measurement scale is among the widest, which makes Vickers universal.
Reading from the Vickers test comes in xxHVyy/zz formula.
xx is the hardness number
yy is the mass of the test load while
yy is the time taken to load the mass.
HV is the material’s hardness.
The most popular Vickers Hardness test equipment is the Falcon series; 400, 450, 500, 600, and 5000.
When it comes to purchasing an industrial machine or equipment, one of the options to consider is a used one. A major reason to invest in a used generator set is to get a high quality equipment at a reasonable cost. In addition, buying one from a trusted and reputable supplier means you will be getting a reliable machine that is good value for your money.
a) Factors to consider
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b) Choosing the right supplier
Choosing the right supplier for a used generator set can make a big difference to what you will be getting. This is because generators are complex machines that need expert testing and handling to ensure they perform optimally. Since you are buying a used generator, it is also important that the machine has to be thoroughly maintained, tested, reconditioned, and repaired by certified specialists to ensure it is in optimum condition. In addition, it is also important to take into consideration the manufacturers that the supplier is dealing with. This is to ensure you can access spare parts easily should your machine encounter any issues. You should also be on the lookout for a warranty, to ensure you can make huge savings should your generator set encounter any issues. Choosing the right supplier means you will be buying from professionals to ensure you get a generator you can count on.
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