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1101
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Understanding test types
Material testing uses a variety of methods to assess different mechanical properties. Selecting the right test depends on the intended application and relevant standards.
Examples include:
1102
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ISO 527-4
ISO 527-4 determines the tensile properties of isotropic and orthotropic fibre reinforced plastic composite sheeting and film including the tensile strength and modulus of elasticity, strain, elongation and the tensile energy to break (TEB).
1103
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ASTM F1269-06
These test methods cover tests to determine the shear strength of a series of ball bonds made by either thermosonic or thermal compression techniques using either gold or copper wires.
1104
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Construction
Mecmesin systems and gauges are designed for the application of international and industry standards for quality and safety...
1105
Case study
Projeto e fabricação de molas
Requerimento A Longcroft Engineering projeta e fabrica molas, desde protótipos e designs personalizados feitos à mão até a produção em alto volume.
1106
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Introduction to penetration and puncture resistance testing
Penetration and puncture resistance testing are essential for evaluating how well a material can withstand force from sharp, pointed, or blunt objects.
1107
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Torque testing
Torque testing is a way of determining how an object will react when it is being turned - during normal operation or being twisted until it deliberately fails or breaks.
1108
Case study
Adjustable spectacles torque test
Customised engineering example
Adlens manufacture adaptive spectacle lenses, where the optical power is adjusted by a side dial which is then removed.
1109
Case study
Insulation film stiffness testing
Customised engineering example
Familiar with three-point bending to test flexural strength properties?
1110
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USP <671>
Chapter 671 of USP (United States Pharmacopeia) provides standards for the functional properties of packaging systems used for solid oral dosage forms (SODF) and liquid oral dosage forms (LODF) for pharmaceuticals and dietary supplements.
1111
Case study
As vedações do tubo de alumínio perfuram o esforço de compressão
Requerimento Um dos maiores fornecedores de tubos de embalagem na Europa Central é especializado em recipientes de plástico laminado e tubos de alumínio para a indústria de cosméticos.
1112
Case study
Teste de peel de embalagens semirrígidas para dispositivos médicos
Exemplo de engenharia customizada Nosso cliente precisava testar a qualidade de descascamento de uma tampa de papel Tyvek® usada para selar uma bandeja de plástico termoformada semi-rígida e estéril contendo seringas pré-cheias.
1113
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Standards for tear resistance testing
While the core principle of wing tear testing remains the same, each standard specifies unique specimen shapes, notch sizes and test speeds. Adhering to these requirements ensures results are valid and comparable.
1114
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ISO 8033
ISO 8033 specifies methods for the determination of the adhesion between lining and reinforcement, between cover and reinforcement, between reinforcement layers, between cover and outer lamination (thin layer of material outside the cover for protection
1115
Event
Needle Sharpness & Puncture Resistance Testing
Hypodermic needles are tested to determine how their design influences the ease of insertion into the skin, patient pain and skin trauma.
1116
Event
Needle Sharpness & Puncture Resistance Testing
Hypodermic needles are tested to determine how their design influences the ease of insertion into the skin in order to prevent patient pain and skin trauma.
1117
Event
Compression Testing in Top Load Applications
A typical challenge in packaging, and bottling applications is trying to balance product integrity, where the container might be too weak and crush under load, and excessive raw material cost, where the container is too strong.
1118
Case study
Sachet compression test
Requirement
To compress six sachets of ketchup or mayonnaise until failure of the packaging occurred.
The peak compressive force was required as the test result.
1119
Event
Essentials of Adhesion (Peel) Testing
Across many households and industries, consumers have developed a strong preference for and confidence in ‘Duct Tape’ for all types of uses and applications. This is mainly due to the adhesion strength.
1120
Case study
DVD removal force test
Requirement
The customer, a leading supplier of boxed DVD’s, had experienced a wide variation in the amount of force required to remove the DVD from the central spigot of the case.
1121
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ASTM D2061
No one test determines the suitability of a zipper for a specific end use. Since the tests are inter-related more than one may be needed for a complete evaluation.
1122
Case study
Teste de casca de vedação de perímetro de pára-brisa automático laminado
Requerimento O para-brisa (ou para-brisa) do seu carro é feito de vidro laminado, projetado para oferecer os mais altos níveis de segurança em caso de acidente.
1123
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Standards for extrusion testing
Although there are fewer dedicated standards for food extrusion than for plastics or metals, recognised guidelines help ensure repeatability and comparability. Examples include:
1124
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Challenges and best practices in peel testing
Common challenges
Material variability in thickness, surface treatment, or adhesive application.
Inconsistent specimen preparation.
Operator error from misalignment or incorrect grip tension.
Best pra
1125
Case study
Peel test of semi-rigid packaging for medical device
Customised engineering example
Our client needed to test the peeling quality of a Tyvek® paper lid used to seal a sterile, semi-rigid thermoformed plastic tray containing pre-filled syringes.