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Category: Scratch Testing | Scratch Hardness

 

A BETTER Look at Polycarbonate Lens

A BETTER Look at Polycarbonate Lens Learn more
 
Polycarbonate lenses are commonly used in many optical applications. Their high impact resistance, low weight, and cheap cost of high-volume production makes them more practical than traditional glass in various applications [1]. Some of these applications require safety (e.g. safety eyewear), complexity (e.g. Fresnel lens) or durability (e.g. traffic light lens) criteria that are difficult to meet without the use of plastics. Its ability to cheaply meet many requirements while maintaining sufficient optical qualities makes plastic lenses stand out in its field. Polycarbonate lenses also have limitations. The main concern for consumers is the ease at which they can be scratched. To compensate for this, extra processes can be carried out to apply an anti-scratch coating. Nanovea takes a look into some important properties of plastic lens by utilizing our three metrology instruments: Profilometer, Tribometer, and Mechanical Tester.   Click to Read More!
High Temperature Tribology

High Temperature Scratch Hardness Using Tribometer

Materials are selected based on the service requirements. For applications involving significant temperature changes and thermal gradients, it is critical to investigate the mechanical properties of materials at high temperatures to be fully aware of the mechanical limits. Materials, especially polymers, usually soften at high temperatures. A lot of mechanical failures are caused by creep deformation and thermal fatigue taking place only at elevated temperatures. Therefore, a reliable technique for measuring high temperature scratch hardness is in need to ensure proper selection of the materials for high temperature applications.

High Temperature Scratch Hardness Using Tribometer

 

Scratch Hardness Measurement Using Tribometer

In this study, the Nanovea Tribometer is used to measure the scratch hardness of different metals. The
capacity of performing scratch hardness measurement with high precision and reproducibility makes
Nanovea Tribometer a more complete system for tribological and mechanical evaluations.

Scratch Hardness Measurement Using Tribometer

Mechanical & Tribological Properties of Carbon Fiber

Combined with the wear test by Tribometer and surface analysis by Optical 3D Profilometer, we
showcase the versatility and accuracy of the Nanovea instruments in testing composite materials
with directional mechanical properties.

Mechanical & Tribological Properties of Carbon Fiber

Scratch Hardness Measurement Using Mechanical Tester

In this study, the Nanovea Mechanical Tester, in Microindentation mode,  is used to measure the scratch hardness of different metals. We would like to showcase the capacity of Nanovea Mechanical Tester in performing scratch hardness measurement with high precision and reproducibility.

Scratch Hardness Measurement Using Mechanical Tester

Micro Scratch Depth Measurement Using 3D Profilometry

In this application the Nanovea ST400 Profilometer is used for depth measurement of a row of micro scratches created using Nanovea’s Mechanical Tester in scratch mode. In seconds the Profilometer, with a single line pass in 2D mode, provides area and depth  measurement.

Depth Measurement of Micro Scratches Using 3D Profilometry

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