Research - Wollongong City Council, NSW, Australia
DBD Innovations (DBDI) is developing a novel, proprietary method for testing insulating materials using Dielectric Barrier Discharge plasma in air. This patent pending technique is applicable for analysing any non-conductive composite that is bonded to a conductive substrate.Our method relies on the Dielectric Barrier Discharge plasma created in air between an electrode and the tested element. The discharge current varies as the properties of the tested area change.We see an unfulfilled market need for a quick, simple, and inexpensive method for testing of insulating and protective coatings, both man-made and natural.In particular, it could be used for:• Dental diagnostics, especially to detect sites of micro-leakage next to fillings, crowns, etc., and to reveal early caries lesions• Quality assurance of various thin, insulating coatings, e.g. paints, rubbers, Teflon, ceramics, anodisation, etc., used in Oil & Gas, Aviation, Automotive and Marine industriesWhat is common between these vastly different applications is that none of the current methods of Non-Destructive Testing (NDT) offers combined advantages of the proposed solution. They are either inaccurate and potentially destructive, or complex and costly.The DBDI method is:• Non-destructive• Offers detection of micro-sized defects• Inherently scalable, featuring a detachable probe of arbitrary shape• Portable - the device can be battery powered and operate remotely• Safe (powered electrode is safe to touch)• Simple and inexpensive• Surface contaminants may be removed while the process of cleaning is monitored• Easily integrated into a production lineThe DBDI method could be a low-cost solution where the existing technology is capital intensive and high tech. The device could be used as an inexpensive, first step diagnostic tool. The options include mobile, handheld devices, multimeter plug-ins, bench-top instruments, and units within OEM production lines.
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