AMT MIM - Research & Development

Research & Development

With the strong belief of wanting to deliver greater value to our partners, AMT has invested significantly in Research and Development. AMT’s continuous effort in innovating with new materials and processes has garnered tremendous recognition – 15 inventions and 29 worldwide patents, and counting. The proprietary technology applications of MIM clearly differentiates us as a leading global MIM manufacturer.

AMT believes in the constant upgrading of our capability and building up our internal analytical and investigative capability. This would empower AMT’s metallurgist and engineers to conduct detailed analysis for their R&D project development.

Below is a list of internal capabilities within AMT:

  • Mastersizer Particle Analyser – to determine powder particle size distribution
  • Dual Bore Capillary Rheometer – to analyze feedstock viscosity
  • Specimen Grinder and Polisher – for porosity analysis to determine grain growth and density
  • LED Microscope (up to 100x) – for microstructure analysis
  • Mold Flow Simulation – to determine the optimal mold design and injection parameters
  • X-ray Fluorescence (XRF) Chemical Analyzer – to analyze the chemical composition of powder and components
  • Laser Marking – to mark alphabets, numbers or logos onto components or assemblies
  • Zeiss Scanning Optical System – to inspect forms, location and dimensions of the components or assemblies

Find out more about AMT's other business units and capabilities.

Business Units

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Step 1 – Mixing

Very fine metal or ceramic powder is mixed with a thermoplastic polymer (known as the binder) to form a homogeneous mixture of ingredients. The mixture or feedstock is made into granulated pellets and directly fed into the injection machine.

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Step 2 – Injection

During injection, the feedstock is heated and injected into the cavity of the mold. This allows the desired shapes and geometries to be formed. The molded part is known as the green part.

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Step 3 – Debinding

The polymeric binder is removed thermally via the debinding process. The green part is subjected to the debinding process at a high temperature while maintaining its relative size and shape. The brown part consists of a powder skeleton that is brittle and porous.

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Step 4 – Sintering

The final stage of the PIM process is sintering. During sintering, the brown part is heated to below its melting temperature. As sintering progresses, density increases, pores are eliminated and the part shrinks to achieve a dense and near-net shape component.

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