Sintavia’s in-house laboratories actively develop new metal parameters for aerospace additive manufacturing and ensure consistent material and product quality throughout production. 

From metal powder characterization, to mechanical testing, and finally to non-destructive testing, Sintavia possesses some of the most advanced additive laboratories in the world. These resources have led to the development of 25 proprietary metal parameter sets in Nickel, Copper, Titanium, Aluminum, and refractory metal alloys, while ensuring regular and consistent material quality on customer projects.

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Powder Analysis

Before any production build, each batch of new powder is analyzed on-site by Sintavia. This is a critical step for success. 

Size distribution, chemical composition, and powder porosity are all important factors in ensuring a successful and optimal outcome. 

Powder Analysis

Before a run, powder it is tested to ASTM and company specifications.

PSD per ASTM B822 using laser diffraction analyzer
SEM morphology and microscopic analysis
ICP-OES per ASTM B215 
Gas analysis of Nitrogen, Oxygen, Hydrogen, and Carbon  
Tap density per ASTM B527  
Flowmeter testing per ASTM B213 

Sintavia uses powder from approved suppliers and that is tested for conformance upon arrival. 

The company is not aligned with any one powder source, giving Sintavia’s customers the flexibility to choose their preferred powder. Review the Materials Guide for more information about metal powders.  

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Metallurgy

Sintavia Metallurgical Services for AM Include:

Metallographic Examination per ASTM requirements
Scanning Electron Microscopy
Hardness Testing 
Rockwell Hardness Testing 
Knoop Hardness Testing  
Vickers Hardness Testing  
Sub-ppm Elemental Analysis of metals using an Inductively Coupled Plasma (ICP) mass spectrometer  
Failure Analysis Testing  

Mechanical Testing

As part of its material characterization lab, Sintavia offers comprehensive mechanical testing capabilities using some of the most advanced equipment available. 

Sintavia’s mechanical testing laboratory is ISO 17025/ANAB accredited and performs the following tests:

Fatigue Testing

Creep/Stress Rupture

Rockwell
Failure Analysis

Tensile Testing

Crack Propagation
Fracture Toughness
Superficial Rockwell
Micro Hardness

Mechanical Testing of AM Builds

1

Mechanical Testing provides validation and confirmation to additive and traditional manufacturing processes as they relate to forces applied in static or dynamic applications.  

2

A mechanical test can validate newly developed material and process technologies as well as provide a method of controlling quality.  

3

Typical mechanical testing properties include elasticity, tensile strength, elongation, hardness, fracture toughness, impact resistance, creep, stress rupture and the substantiation of fatigue limits.