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SSI - Sintered Specialties

High Performance PM | Metal Injection Molding | Full Density PM | Engineered Porosity | Product Development

Metallurgical Lab

The SSI-Sintered Specialties laboratories provide a range of services to support:


Incoming inspection of raw materials

Service

Description

Hall and Carney Flowmeter

A standard in the PM Industry, this device measures important powder characteristics such as apparent density and flow rate. Typically, this device verifies powders used in High Performance PM, Full Density PM, and Engineered Porosity.

Compressibility and Green Strength Verification

The pressure needed to compact a powder to a desired density is an important process parameter. The strength of this green compact is also important, both for removal of the part from the compaction die and subsequent handling. These tests are usually used for incoming raw material verification as well as the development of new powder materials.

Sieve Analysis

The particle size distribution of raw powder is measured by passing the powder through successively finer mesh sieves and weighing the amount trapped by each sieve. Typically this is used to verify High Performance PM, Full Density PM, and Engineered Porosity raw powders.

Carbon Analyzer

This equipment is used to verify the correct processing of PM components in all four (4) of our process technologies. Carbon content is especially important for stainless and tool steels.

Helium Pycnometer

The density of raw powders is accurately determined using Archimedes' principle of comparing the weight measured in air and the weight measured in helium. Typically this is used to verify Metal Injection Molding feedstock.

Thermogravimetric Analyzer

By measuring the weight loss of a small sample as temperature is increased to remove additives and binders, the percentage of metal powder in the feedstock is accurately determined. Typically, this device verifies Metal Injection Molding feedstock.

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