Wolverton Mill, United Kingdom
Wolverton Mill, United Kingdom

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Blakeley B.,TSC Ltd. | Lugg M.,TSC Ltd.
Insight: Non-Destructive Testing and Condition Monitoring | Year: 2010

ACFM is an electromagnetic NDT technique used to inspect metal structures for surface-breaking cracks, through a variety of non-conductive coatings. However, if the coating is conductive, such as fame-sprayed aluminium or zinc galvanising, the electromagnetic surface properties of the structure are altered. These metallic coatings were modelled using Comsol multiphysics, and the model verifed by experiments with metal-coated samples. The results show that accuracy of sizing is decreased, depending on coating thickness and whether the crack penetrates through the conductive coating or not. If the metal coating thickness is too thick, then defects may be completely masked.


Blakeley B.,TSC Ltd. | Lugg M.,TSC Ltd.
Insight: Non-Destructive Testing and Condition Monitoring | Year: 2011

TSC designs and builds electromagnetic sensor probes for the industrial NDT market. These probes are used for the detection and sizing of surface-breaking cracks in metals and for the determination of stresses in steel. The company expends a great deal of effort in research and development; this R&D typically consists of numerical simulations and the creation of prototype probes. This paper details the research and development of some of the more complex probes TSC has recently created.


Disclosed is a halogen-free fire-retardant polyolefin resin composition for a telecommunication cable covering, which includes 5074 wt % of thermoplastic polyurethane, 110 wt % of maleic anhydride grafted styrene-ethylene/butylene-styrene, 538 wt % of melamine cyanurate and 220 wt % of an organic phosphinate salt, and in which fire retardancy is maintained, whitening or bleeding is prevented and scratch hardness is high, despite the use of a small amount of fire retardant.


Patent
Tsc Inc. | Date: 2015-09-03

Disclosed is a pipe heater comprising a tubular heat insulating layer having a pair of separating surfaces formed over the entire length thereof, an external cover bonded to the outer surface of the heat insulating layer to enclose the heat insulating layer, a heating layer provided inside the heat insulating layer and including a heating wire therein, and an internal cover provided inside the heating layer to enclose the heating layer, wherein the heat insulating layer includes a polyimide foam layer formed of polyimide foam, and a protection layer is interposed between the heat insulating layer and the heating wire to prevent bubbles distributed in the polyimide foam layer from dissipating due to heat transferred from the heating wire.

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