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Category: High Temperature Mechanical Testing

 

Precise Localized Glass Transition with Nanoindentation DMA

Precise Localized Glass Transition with Nanoindentation DMA

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Imagine a scenario where a bulk sample is uniformly heated at a constant rate. As a bulk material heats up and approaches its melting point, it will start to lose its rigidity. If periodic indentations (hardness tests) are conducted at the same target force, the depth of each indent should be constantly increasing since the sample is becoming softer (see figure 1). This continues until the sample begins to melt. At this point, a large increase in the depth per indent will be observed. Using this concept, phase change in a material can be observed by using dynamic oscillations with a fixed force amplitude and measuring its displacement, i.e. Dynamic Mechanical Analysis (DMA).   Read about Precise Localized Glass Transition!

Stress Relaxation Measurement using Nanoindentation

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ASTM D7187 Temperature Effect Using Nanoscratching

ASTM D7187, the resistance of the paint to scratch and mar plays a vital role in its end use. Automotive paint susceptible to scratches makes it difficult and costly to maintain and repair. Different coating architectures of the primer, basecoat, and clearcoat have been developed to achieve the best scratch/mar resistance. Nanoscratch testing has been developed as a standard test method to measure the mechanistic aspects of scratch/mar behavior of paint coatings as described in ASTM D7187. Different elementary deformation mechanisms, namely elastic deformation, plastic deformation and fracture, occur at different loads during the scratch test. It provides a quantitative assessment of the plastic resistance and fracture resistance of the paint coatings.

ASTM D7187 Temperature Effect Using Nanoscratching

Honeycomb Panel Finish, Tribology and Mechanical Properties

Honeycomb panel analysis including mechanical properties using microindentation, surface finish using 3D profilometery and wear resistance using Tribometer.

MECHANICAL: https://nanovea.com/App-Notes/honeycomb-mechanical-behavior.pdf

PROFILOMETRY: https://nanovea.com/App-Notes/honeycomb-panel-finish.pdf

TRIBOLOGY: https://nanovea.com/App-Notes/honeycomb-panel-wear-resistance.pdf

Teflon Mechanical Properties at High Temperature

At elevated temperatures, heat changes teflon mechanical properties such as the hardness and viscoelasticity, which may result in mechanical failures. A reliable measurement of the thermo-mechanical behavior of polymeric materials is in need to quantitatively evaluate the candidate materials for high temperature applications. The Nano module of the Nanovea Mechanical Tester studies the Hardness, Young’s Modulus and Creep by applying the load with a high-precision piezo and measuring the evolution of force and displacement. An advanced oven creates a uniform temperature surrounding the indentation tip and the sample surface throughout the nanoindentation test so as to minimize the effect of thermal drift.

Teflon Mechanical Properties at High Temperature Using Nanoindentation

Thermomechanical Analysis of Solder Using Nanoindentation

Solder joints are subjected to thermal and/or external stress when the temperature exceeds 0.6 Tm where Tm is the melting point of the material in Kelvin. The creep behavior of solders at elevated temperatures can directly influence the reliability of solder interconnections As a result, a reliable and quantitative thermomechanical analysis of the solder at different temperatures is in need. The Nano module of the Nanovea Mechanical Tester applies the load by a high-precision piezo and directly measures the evolution of force and displacement. The advanced heating oven provides a uniform temperature at the tip and sample surface, which ensures measuring accuracy and minimizes the influence of thermal drift.

Thermomechanical Analysis of Solder Using Nanoindentation

 

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

 

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Мелитэк | Melytec LLC

RUSSIA | BELARUS

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Nanovea Inc

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Nanovea S.A. de C.V.

LATIN AMERICA

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MICRO-NANO Technology Co. Ltd

CHINA | TAIWAN | HONG KONG

• BEIJING
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Chaoyang District
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Tribotron AG

SWITZERLAND | AUSTRIA

Lerchenfeldstrasse 3
CH-9014 St.Gallen
+41 71 511 24 65

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Mi-Net Technology Ltd. UNITED KINGDOM | IRELAND 30 Summerleaze Road Maidenhead Berks SL6 8EN United Kingdom +44(0) 1628 783576

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160-0023

株式会社日本サーマル・コンサルティング

東京都新宿区西新宿1-5-11新宿三葉ビル5F

 

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Mexico 44600
Phone: +52 1 33 10 31 52 27

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Nanovea SRL

EUROPEAN OFFICE

Via Balegno 1
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10040 TO (IT)
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Nanovea S.A. de C.V.

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Mexico 44600
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Altmann S.A. Importação e Comércio

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Nanovea India Private Limited

INDIA

#1112, 2nd Stage,
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Bangalore, Pin: 560 060

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Nanovea India Private Limited

INDIA

#1112, 2nd Stage,
17th Cross, Banashankari
Bangalore, Pin: 560 060

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Nanovea India Private Limited

INDIA

#1112, 2nd Stage,
17th Cross, Banashankari
Bangalore, Pin: 560 060

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