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1501
[Page extract]
ASTM D4649-03
This guide covers recommended guidelines and test methods for the selection, specification, and use of stretch wrap films for unitizing, reinforcing, and palletizing for indoor environments.
1502
[Page extract]
Introduction to Delft tear testing
The Delft tear test is a specialised method for determining the tear strength of vulcanised rubber, thermoplastic elastomers and similar flexible materials.
1503
Event
Fundamentals of Adhesion (Peel) Testing
There is a reason people reach for Duct Tape as a fix for almost everything – Adhesion Strength. From busted pipes to ripped furniture, the preference for a solution that “does not easily peel off” is the guiding principle for manufactures.
1504
[Page extract]
Testing standards and guidelines
Tension and compression tests are governed by international standards that ensure comparability and regulatory compliance:
1505
Event
Tensile Testing for Wiring Harness Connections
The only way of really knowing the strength of a crimped terminal is to pull it. This can reveal production problems, where strand nicks, incorrect crimp height, or effects from changes in terminal supply, may not be clearly apparent.
1506
Case study
Display thin film coating 90 degree peel test
Requirement
The Thin Film Centre at University of Paisley conducts ground-breaking research into flexible displays and required the means to analyse the adhesion between films and their substrates.
1507
Case study
Beleuchtungsschweißtest
Anforderung Für das Qualitätskontrolllabor wurde vom Kunden eine einfache, kostengünstige Vorrichtung spezifiziert. Dies sollte eine Beleuchtungsbaugruppe in einem Test halten, bei dem die geschweißten Kontakte abgezogen wurden.
1508
[Page extract]
Applications of loop tack testing
Packaging
Checks resealable closures, tamper-evident labels, and PSA seals to ensure adequate instant tack for both production and consumer use.
1509
Event
Essentials of Adhesion (Peel) Testing
There is a reason people reach for Duct Tape as a fix for almost everything – Adhesion Strength. From busted pipes to ripped furniture, the preference for a solution that “does not easily peel off” is the guiding principle for manufactures.
1510
[Page extract]
Introduction to tensile testing
Tensile testing is one of the most widely used methods in material science for determining the mechanical properties of materials under uniaxial tension.
1511
[Page extract]
ASTM D4255 / D4255M-15a
ASTM D4255 is a test method for testing the in-plane shear properties of high-modulus fiber-reinforced composite materials. The method is divided into two procedures. Procedure A tests laminates clamped between two pairs of loading rails.
1512
Event
Tensile Testing for Wiring Harness Connections
The only way of really knowing the strength of a crimped terminal is to pull it. This can reveal production problems, where strand nicks, incorrect crimp height, or effects from changes in terminal supply, may not be clearly apparent.
1513
[Page extract]
What is wing tear testing (Winkelmann/Graves method)?
Wing tear testing is a tensile-based method for flexible materials, in which a wing-shaped specimen is subjected to a controlled force until it tears.
1514
Case study
Glass syringe Luer lock attachment pull-off
Customised engineering example
Polycarbonate Luer Lock adapters are push-fitted to glass syringe nozzles with a friction fit. Quality assurance demands that they cannot come free under normal use.
1515
Event
Essentials of Consumer Packaging Testing
Maximize COST SAVINGS for your consumer packaging by minimizing excess material and “over design” while keeping your products protected in transit.
1516
[Page extract]
SAE J1701M
This SAE Information Report is provided as an advisory guide. Individual application discretion is recommended. The content has been presented as accurately as possible, but responsibility for its application lies with the user.
1517
[Page extract]
EN 22872
EN 22872 specifies two methods for testing complete, filled transport packages for compression resistance.
1518
Case study
Diamante pull-off test
Requirement
The customer was a supplier to major UK clothing retailer Marks & Spencer, who stipulate that all fasteners and attachments must be tested to failure.
1519
[Page extract]
How the strip method works
The strip method involves cutting a specimen to a precise width, typically 50 mm or 25 mm depending on the applicable standard, and mounting it in the grips of a tensile testing
1520
Event
Essentials of grip & fixture selection in force & torque testing
For a test to work, the test system needs to properly interface with its specimen.
1521
Event
Tensile Testing for Wiring Harness Connections
The only way of really knowing the strength of a crimped terminal is to pull it. This can reveal production problems, where strand nicks, incorrect crimp height, or effects from changes in terminal supply, may not be clearly apparent.
1522
Case study
Zugversuch an gelöteten Flexikreisen
Anforderung Der Kunde war Hersteller und Entwickler von Bremssystemen für die Nutzfahrzeug-, Bus- und LKW-Industrie.
1523
[Page extract]
Analysis and interpretation of results
Interpreting shear failure characteristics
Post-test examination of the bonded joint provides valuable insight into adhesive performance:
1524
[Page extract]
Equipment and procedures
SCT testing equipment and tools
Accurate SCT testing requires equipment that can apply controlled and repeatable loads:
1525
Case study
Diamante-Abzugstest
Anforderung Der Kunde war Zulieferer des großen britischen Bekleidungshändlers Marks & Spencer, der vorschreibt, dass alle Verschlüsse und Befestigungen auf Fehler getestet werden müssen.