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901
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Understanding yield point in material testing
Yield point analysis is used across multiple industries to ensure materials meet strict performance criteria:
902
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How is ultimate compressive strength tested?
Equipment and procedure
Testing is typically performed using a universal testing machine (UTM) fitted with flat or contoured
903
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Case studies - real-world applications
Medical vial stoppers
A pharmaceutical company tested rubber vial stoppers to ASTM F2132 to ensure they resisted accidental puncture during handling.
905
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Medical devices and aids
Medical device manufacturers operate in one of the world’s most competitive and highly-regulated industries, where patient safety is critical.
906
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Step-by-step test methodology
Preparation
Sample selection - Choose representative specimens, avoiding faults unless deliberately testing them.
Specimen cutting - Cut to standard dimensions with a central slit of specified
907
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Furniture and soft furnishings
Furniture is manufactured using different kind of wood materials typically from particle board, fiberboard and plywood. Pieces are assembled and joined using glues, adhesive bonds,fixing dowels and fastenings.
908
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How shear testing works
Food shear testing replicates cutting or slicing actions. A blade or fixture is passed through a sample while the force required is recorded. The process generally includes:
909
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Step-by-step procedure for reverse ratchet torque testing
Sample preparation
Condition the closures according to the specified standard to control environmental factors.
910
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Key puncture resistance testing methods
Different materials and applications require different puncture testing methods. The two most common categories are high-force puncture testing and slow puncture testing.
911
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How is torque testing in packaging performed?
Torque testing can be carried out using manual or automated methods, depending on production volume, precision requirements
912
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Step-by-step needle penetration testing process
Sample preparation
Specimens are cut to the required dimensions and conditioned to the specified environmental parameters such as temperature and humidity. Thickness and surface finish are controlled for consistency.
913
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Understanding torque testing
Types of torque testing in packaging
Several torque measurements are relevant to closure performance:
914
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Importance of child-resistant closures
Child-resistant closures are a critical safety feature for packaging containing pharmaceuticals, che
915
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Introduction to breaking torque tests
Breaking torque testing, also known as torque-to-failure is a critical mechanical test used to determine the point at which a component or assembly fails under rotational force.
916
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Modulus of elasticity formula
Young’s modulus (E) is calculated from the linear portion of a stress-strain curve using this formula:
917
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Construction materials
The manufacturing of building materials for construction is an established industry in many countries.
918
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Frequently asked questions
How do I select the right fixture for my material?
Fixture selection depends on specimen dimensions, material type, and the relevant standard.
919
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How to conduct a Concora crush test
Step-by-step procedure
Specimen preparation - Cut medium to the required size, typically 152.4 mm by 25.4 mm strips, ensuring clean edges.
920
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Shear modulus equation
Shear modulus (G) and Young’s modulus (E) are both measures of a material’s stiffness - but under different types of loading.
921
Case study
Thử nghiệm độ bền kéo của găng tay cao su phẫu thuật
Yêu cầu Khi lựa chọn găng tay chuyên dụng, độ bền và độ giãn của vật liệu thường là những yếu tố quan trọng nhất để xác định chất lượng và hiệu suất.
922
Case study
Hệ thống kiểm tra lực kéo ra theo lô của cáp và đường ống
Yêu cầu Roxtec là nhà cung cấp hàng đầu thế giới của Thụy Điển về con dấu ống và cáp mềm.
923
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Performing the edge crush test
Sample preparation
Cut specimens to standard dimensions with clean, parallel edges.
Condition samples in a controlled temperature and humidity environment to ensure consistent moisture content.
Wax edges if required
924
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What is torque to turn testing?
Torque to turn testing is a method used to determine the rotational resistance in mechanical components and assemblies.
925
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FAQs about shear modulus
How is shear modulus tested?
Shear modulus is measured through torsion testing or shear testing fixtures applied to solid or bonded samples.