TECHNOLOGY | MATERIALS TESTING
absorbed energy data, visualise and help analyse the results, and calculate resilience. VisualIMPACT is tailored for operation with the CEAST high- speed data acquisition system DAS64K. Providing a data acquisition rate of 4 MHz, this system is particularly advantageous when testing brittle materials or performing tests at high speeds or low temperatures, says the company. For HDT and Vicat tests, Instron has introduced
Right: The Epsilon 1 XRF spectrometer from Malvern Panalytical
the HV Series, which is designed to significantly reduce workload and increase efficiency in the testing laboratory. The HV6X has six testing stations and offers automatic weight application. It uses advanced electronics to automatically zero the position of the LVDT measuring sensors before starting a test, reducing test time and human errors. The HV tester is operated by the company’s Bluehill HV test software to run tests, edit methods, analyse results or configure the system with a few mouse clicks. For dynamic testing tasks,
Instron has developed the ElectroPuls E1000 Electrodynamic Testing System, which uses patented, oil-free linear motor technology and can be combined with the company’s AVE2 Advanced Video Extensometer. Offering slow-speed static and high-fre- quency fatigue testing, the ElectroPuls systems are designed for up to 10 kN axial load or for combined axial-torsion loadings delivering 10 kN and 100 Nm. The AVE2 is a non-contacting extensometer for dynamic strain control at variable gauge lengths and differing travels. It offers speed and flexibility and makes it possible to study the behaviour of materials without damaging the specimen’s surface. A fully-integrated device, it easily adapts to the fluctuations in environmental conditions in the laboratory. For example, it is designed to dramatically reduce errors from the thermal and lighting variations that are common in most laboratories. The AVE2 utilises a real-time 490 Hz data rate while achieving a 1 micron accuracy.
Dynamic solutions Netzsch has developed the EPLEXOR 500N for materials testing under real-life conditions in the high-force range. The device combines dynamic mechanic thermal analysis with dynamic material testing for determination of absolute values of E
78 COMPOUNDING WORLD | September 2017
modulus. The company says its electrodynamic oscillator generates defined deformations across a wide frequency and temperature range, which enables it to provide accurate prediction of a material’s behaviour without the need to test in the field. An independent drive for static force ensures good sample positioning and enables high static deformations of the material – as are achieved by, for example, universal testing devices. According to Netzsch, the unit features a modular design that allows easy changeover of force sensors while the MPAS automatic sample changer supports meas- urement in tensile, compression, bending and shearing modes in any order. Malvern Panalytical has developed the Epsilon 1 XRF spectrometer for analysis of additives and catalyst residues in polyolefins using ADPOL calibration standards. It is equipped with a 50 kV silver X-ray anode tube, six filters and a high resolution silicon drift detector. Data is processed automatically by the Epsilon 1 software. The company says a set
of reference materials for analysis of additive and
catalyst elements in polyolefins (PE and PP) has been developed in collaboration with DSM Resolve. The basic ADPOL set consists of two discs each of five different standards,
including a blank. The set covers the elements and concentration ranges normally required for the calibration of the most important additive elements in polymers and polymeric products, including Al, Si, P, S, Ca, Ti and Zn. Tests are said to have demon- strated consistent analysis of these elements in polyolefins without the need for helium, with measurements shown to be repeatable and stable. The company adds that the high resolution and sensitivity of the silicon drift detector, combined with its software algorithms, make it possible to quantify additive and catalyst residues highly accurately.
CLICK ON THE LINKS FOR MORE INFORMATION: �
www.intertek.com �
www.ctherm.com �
www.dynisco.com �
www.instron.com �
www.netzsch-thermal-analysis.com �
www.panalytical.com
www.compoundingworld.com
PHOTO: MALVERN PANALYTICAL
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