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Impact Testing & TTS Footer

IMPACT TESTING

Impact Testing

Impact testing measures a material's toughness by calculating the energy absorbed during fracture. This indicates its behavior under sudden loads and helps classify it as brittle or ductile.

Purpose

The primary aim is to assess material behavior under high-speed deformation, predicting how it might perform under real-world impact conditions to estimate its service life and resilience.

Types of Impact Testing

Pendulum Impact Testers: Measure impact energy by the rise height of the pendulum post-impact.
Charpy: Horizontal strike, measuring absorbed energy.
Izod: Vertical specimen positioning.
Tensile Impact: Measures energy under tensile stress.
Drop Weight Testers: Used for larger samples and high-energy impacts.
Impact Tester

Specimens & Analysis

Specimen
Bath
Fracture

Key Considerations

Factors influencing impact performance include:

Expected Impact Energies: Understanding the energies a part may encounter.
Type of Impact: Identifying the impact that will deliver that energy.
Material Selection: Choosing a material that can endure such impacts over time.

Influencing Factors

Molded-in stresses
Polymer orientation
Weak spots (e.g., weld lines, gate areas)
Part geometry

Mechanism

When impacted, a material absorbs energy up to its yield point, with further energy causing work hardening until it fractures. Total impact energy reflects the work required to break the material.

Methodologies

Pendulum Impact Testing

Uses a rotating hammer to strike the sample at the lowest point of its arc. Measures force in the horizontal plane.

Drop Weight Tester

A mass is dropped onto the sample, with impact measured using a load cell. Force is directed vertically and can also measure deformation, providing more insights into material properties.

Standards

Key standards for measuring impact resistance include:

ISO 179 / ASTM D6110: Charpy Pendulum Impact Test
ISO 180 / ASTM D256: Izod Test

Testing Flexibility

ISO 11343: Peel Impact Test Method
ISO 8256: Tensile Impact Test
ISO 6603-2 & ASTM D3763: Puncture Resistance
ASTM D7136: Compression After Impact

TTS Industrial Solutions Pvt Ltd, formerly known as Tweak Technik Solutions, was established in 2021. By 2022, we broadened our portfolio to include comprehensive lab services, and in 2024, we rebranded as TTS Industrial Solutions Pvt Ltd, an ISO 9001:2015 Certified Company.

CIN: U71200TS2024PTC184659

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