Method for measuring density of powder metallurgy

Powder metallurgy is the metal, alloy, or its oxide, carbide powder into the mold, to impose high pressure and forming, and then sintering and curing to make the required materials, products, technology. After the metal powder particles are refined, and then made into the shape of complex parts, instead of the traditional mechanical processing.

Due to the pore structure of the powder metallurgy of powder physical properties has a great influence, and products according to the demand is to bulk density, wet density, apparent porosity and oil rate as the main standards, so the forming embryoid bodies and sintered density detection is more important. In accordance with the specification: weight in sintered metal materials sintered density = sample air / (water repellent treated sample air heavy - water repellent treated sample water heavy).

The advantages of powder metallurgy using density meter are mainly the following:

Two, 1 steps to display the results of the measurement;

2, the host is equipped with RS-232 standard print interface, can be very convenient to connect the printer to output the test result;

3, with environmental adjustment function;

4, the operation is simple, convenient, fast measurement;

5, can be read directly sintered oil bearing oil rate, effective porosity;

6, fully automatic zero tracking function;

7. The bulk density of the powder metallurgical structure and the effective porosity, wet density and volume of the oil bearing alloys can be read directly;

8, with the temperature compensation settings, solution set, the density of water treatment oil setting function;

9, the use of large flume design, can reduce the suspension line of the buoyancy caused by the error;

10, according to the field operation habit, the density and volume value of the non absorbent material are read directly.

Density detection steps are as follows (with water as the medium for example):

1 of the first structure on the measuring table, empty memory.

2. To be measured powder metallurgy structural parts in the basket on a water container, water memory, at the moment, the instrument display powder metallurgy density value.