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Fatigue

progressive weakening.

See Also: Stress, Strain


Showing results: 106 - 120 of 126 items found.

  • Material Test Machines

    Sanwood Environmental Chambers Co ., Ltd.

    Sanwood Universal Test Machines, UTM, are widely use for different material testing, like semi-product & finished product made of rubber, plastic, metal, nylon, non-woven fabrics, textile, tape, polyfoam, waterproof materials, wire, cable, etc. With different test jigs or fixtures, the UTM can run the tensile, compression, shearing foce, adhesion, peeling force, tear strength, fatigue, etc test according to GB, CNS, ASTM, ISO, DIN, JIS, EN test standards.

  • Mechanical Testing Services

    National Technical Systems

    The physical and mechanical testing of a product comprises a critical part of the product and development process. Applied physical force such as vibration, shock stresses, and strain can reveal the inelastic behavior of the material. Mechanical testing allows the product developers to understand the product better, identify vulnerabilities, and establish stronger quality control. Mechanical testing employs a variety of strength tests that can determine the suitability of a material or component for the intended application. It measures characteristics such as elasticity, tensile strength, elongation, hardness, facture toughness, impact resistance, stress fracture, and the fatigue limit.

  • Servo-Pneumatic Asphalt Testing System

    Atico Export

    All signal conditioning, as well as high-speed data acquisition and control functions are done by the unit and graphically interfaced through CATS, windows based software running on a standard PC. The system is capable of performing the full spectrum of HMA tests: dynamic complex modulus, flow number, flow time, indirect tension, beam flexural fatigue and resilient modulus. These tests are done with the appropriate testing modules. The different testing modules can be obtained after the initial system acquisition at the same discounted price. In addition, guarantees system upgrades in order to meet future standards .

  • Electrical Creep and Rupture Testing Machine

    ECR Series - Jinan Testing Equipment IE Corporation

    This series of computer control electronic creep and rupture testing machine is newly designed with full-digital measuring control system to meet the standards of GB/T2039, GB//T20120, EN ISO 204-2009 and ASTM E139 etc. The electronic creep and rupture testing system can perform not simply creep. stress-rupture test and stress relaxation test on metals under room or high temperatures, but also low cycling test & creep fatigue test. The electronic creep and rupture testing machine is widely used for quality control in factories, material research in R&D department and teaching in universities,

  • High Temperature, Low Strain, Extended Performance Capacitive Extensometers

    Model 7650A - Jinan Testing Equipment IE Corporation

    Model 7650A extensometers measure strains with extremely high precision due to their design features and low strain range. All models are capable of tension and compression strain measurement, and may be used for fatigue testing under fully reversed load and strain conditions at frequencies up to 10 Hz.All 7650A models mount rigidly on the load frame and incorporate slide mounting to bring the extensometer into contact with the specimen. The gauge length is set automatically before mounting on the test specimen, which allows for hot mounting after thermal equilibrium has been reached.These units are specifically designed to provide high accuracy, high resolution measurements and perform high temperature fatigue testing at the highest possible frequencies. They incorporate capacitive sensors for low operating force and include electronics with programmable filtering and multi-point linearization for improved performance and accuracy. The overall design minimizes, and in many cases virtually eliminates, any influence from common lab environment vibrations.These water-cooled extensometers are equipped with high purity alumina rods for specimen contact when testing to 1200℃ (2200°F). Silicon carbide rods are used for the 1600℃ (2900°F) high temperature option.The Model 7650A is often customized for specific test needs. Contact Epsilon for a configuration that matches your requirement.

  • Material Testing

    Gaynes Labs, Inc.

    *Abrasion Testing*Adhesion Testing*Brittleness Temp.*Bursting Strength*Coating Testing*Coefficient of Friction*Compression Testing*Compression Set*Dart Drop Testing*Density Determination*Fatigue Testing*Fiberboard Testing*Flammability Testing*Flexural Testing*Foam Testing*Hardness Testing*Heat Deflection*Hydrostatic Testing*Impact Testing*Life Cycle Testing*Melt Index Testing*Plastic Testing*Ply Separation*Resin Content*Rubber Testing*Shear Strength Testing*Stress Crack Testing*Tear Testing*Temperature Testing*Tensile/Elongation*UV Exposure*Water Absorption*Wood Testing

  • Plastics Testing Equipment

    Dongguan Amade Instruments Technology Co., Ltd

    Plastics testing equipment include a series of instruments intended to carry out testings of component analysis, formula analysis, performance determination, aging resistance test etc on various plastic materials and plastic products in accordance with ISO, ASTM, DIN, HB international standards. Mechanical & physical & chemical property testings include tensile strength, bending strength, friction coefficient, creep resistance property, tearing strength, shearing property, impact resistance property, compression performance, hardness, resilience property, fatigue strength, melt index, heat deflection temperature, melt viscosity, density, flammability characteristics, resistance to aging under UV, xenon, ozone, high/low temperature etc.

  • Rubber Testing Equipment

    Dongguan Amade Instruments Technology Co., Ltd

    Rubber testing equipment are used to test the physical properties, chemical properties, thermal properties of uncompounded and compounded rubbers at prescribed conditions to help manufactures or researchers in comprehending the characteristics, updating the formula and improving product quality. Including volatile component, ash content, Mooney viscosity, vulcanization curve, Mooney scorch time, hardness, tensile properties, tearing, the compression performance, impact, friction resistance, fatigue resistance, peel strength, vertical & horizontal combustion, smoke density, limiting oxygen index, the flame spread rate, the surface resistance, surface resistivity, volume resistivity, the breakdown voltage, dielectric strength, dielectric loss, antistatic properties, Aging test (UV, Xenon lamp, carbon arc lamp, ozone) etc.

  • Large-Displacement Low-Frequence Vibration System

    9363-LN-100 - King Design Industrial Co., Ltd.

    This tester is designed to assess the damage made to product packaging and internal objects caused from transporting environment; to discover the packaging flaw and product’s early failure from a long-term cumulative vibration fatigue; avoid man-made transporting damage and improve product’s reliability and quality of delivered products. With the use of high-performance foot absorber, the resonance effect to floor caused by the bounce test may be waived; and can reduce the pile’s destruction to industrial plants. Two displays can make comparative display on both frequency and rpm at the same time; thus no need to switch in order to read these two values. The dual-control mode of time accumulator and counter can avoid human error resulting from the conversion. Easy to operate; no need for complicate training program.

  • Energy-Conservation Unit For Servopulser Hydraulic Power Supply Unit

    ECU1/ECU2 Series - Shimadzu Corp.

    Up to 50 % energy savings. Contributes to reduced CO2 emissions and lower running costs. The conventional hydraulic power supply unit for fatigue and endurance tests is always driven at full power to achieve the maximum test force and maximum velocity and the hydraulic power supply unit is selected in order to satisfy the maximum test performance. Therefore, depending on the test conditions, energy is excessively consumed. With the ECU Series the motor rotational speed and the supply pressure of the hydraulic power supply unit can be set in multiple stages, so energy savings of up to about 50% can be achieved depending on the test conditions and test circumstances. It is used in combination with the Servo Controller 4830. (The Servo Controller 4830 is provided separately.) * Appearance and specifications are subject to change without notice.

  • Digital Video Microscope

    BVM-1010 - BYC Industrial Ltd

    M-LCD Video Microscope has renovated the traditional way of microscopic observation and adopted a modern way of electronic imaging. This patented microscope makes the observation more comfortable and thoroughly resolves the fatigue caused by using a traditional microscope at work for a long time. It features high performance of CCD image capturing, high resolution of LCD display and reverting genuine images. Based on 2D observation, 3D angle attachment is added to obtain 3D multi-angle observation. Laser locating function can easily identify the position of observation. This unit integrates magnification, imaging, display, LED illumination and laser locating functions. Compact design, light weight and low power consumption make the operation simple and convenient. M-LCD Video Microscope can be conveniently applied to testing and inspecting in product assembly, research and teaching fields.

  • Standard Electromagnetic Vibrator

    KD-9363-EM - King Design Industrial Co., Ltd.

    The purpose of vibration testing is to make a series of controllable vibration simulation in lab, no matter generated by natural or man-made vibration environment; such as waves, tidal flaps, wind, earthquake or rain and so on. It is to test if the product is capable of sustaining the vibration environment exerted from transporting or usage along its effective life cycle; and certify the standard of design & functional requirement of product. The value of vibration testing is to confirm the reliability of products and effectively screen out the bad products in factory; avoiding damages occurred at arrival; and to assess the failure analysis on the non-performing products; expecting to reach a high standard, high-reliability products. The vibration test stresses on the continuity and fatigue; and contributes to the understanding of product’s status under vibration circumstance in a normal environment; and avoids the product’s unpredictable damage caused under certain vibrating frequency for a long time.

  • Mechanical Tester

    Nanovea Inc.

    NANOVEA Mechanical Tester is the most versatile nanoindenter and scratch tester capable of precisely measuring the micro- to nanomechanical properties of wide ranges of materials from thin films, coatings, ceramics and composites to polymers and bio materials via Indentation, Scratch and Friction testing. All NANOVEA Mechanical Tester models come with true feedback load control from independent load and depth sensors that provide unmatched accuracy and the highest repeatability available on the market. This technology allows a user to perform Nanoindentation and Microindentation for Hardness and Elastic Modulus Testing, Stress vs Strain Analysis, Creep and Relaxation, Loss and Storage Modulus, Yield Strength and Fatigue, Fracture Toughness and Nano-scratch & Micro-scratch for Scratch Hardness Testing, Multi-pass Wear Test, Cohesive and Adhesive Failure Testing as well as Coefficient of Friction testing, all available on one system.

  • Life Cyclic Durability Testing

    Environment Associates Inc.

    Environment Associates can provide everything you need for cyclic durability testing and performance fixturing. Services include mechanical cycling to a position or load, fatigue cycling to a fixed load, rotational torque cycling, and simple push/pull cycling. EA can design your fixture with electro-dynamic, air, or hydraulic assistance to mechanically move your part. All of our fixtures can be manufactured to withstand a wide range of temperature, humidity and vibration inputs. If required, forces can be monitored electronically, using a wide variety of inputs (i.e. strain gages, load cells, rotational transducers, thermocouples, shunts, and more). EA can create holding and check fixtures to perform “pre” and “post” evaluation for dimensional issues that may occur during testing. EA can provide fixtures for single tests run internally for EA test labs and can manufacture fixtures to be purchased directly by the customer for their internal use.

  • High Temperature Clip-On Gages (700 C)

    Model 7641 - Jinan Testing Equipment IE Corporation

    These COD gages use a high-temperature capacitive sensor and do not require any cooling. They will operate up to the maximum temperature limit of most environmental chambers used in materials testing. The Model 7641 is ideal for determination of fracture mechanics parameters such as JIC, KIC, R-curve, fatigue crack growth rate (da/dN), and testing to standards such as E1820, E399, E647, etc. All units can be displaced slightly in compression for ease of installation. The COD gage is supplied with the advanced DT6229 controller. The standard output is 0-10VDC analog signal, factory calibrated with the COD gage. This system provides a number of functional enhancements, including: high speed digital output, built in calibration and tare functions, analog and digital filters, and more. The 7641 is readily interfaced with most existing test controllers, and may be directly connected to a data acquisition system or chart recorder, or directly to a PC. The 7641 may be used for strain controlled tests such as JIC.

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