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Advances in Non-Destructive Testing
Frost & Sullivan, Sep 2008, Pages: 82
A detailed assessment of emerging trends in non-destructive testing
Research Overview:
This research service titled Advances in Non-destructive Testing provides an insight into the development trends in the non-destructive testing (NDT) industry, including non-contact inspection of high-temperature materials, advances in phased array technology, and recent data management software. In this research, Frost & Sullivan's expert analysts thoroughly examine the following applications of technologies: transportation, power generation, and petrochemicals.
This analysis is available through our Technical Insights program. With this program, clients receive industry-leading market research along with comprehensive, objective information that allows your company to mitigate risk, identify new opportunities, and drive effective strategies for growth.
Technology Overview
Equipment Developers to Develop User-friendly Software, Minimizing Training Requirements for Operators
Companies in the power generation, petrochemical, and transportation industries are keen on cutting downtime to minimum levels to increase productivity. Ideally, they would prefer in-situ inspections during operation, without bringing the plant to a halt or decelerating the network. However, there is a dearth of qualified personnel in developed countries and the available ones are aging. “Per the United States Electric Power Research Institute estimations, although the number of nuclear NDT personnel required will fall marginally in the coming years, the number of personnel available will significantly decrease, clearly illustrating that the existing staff are aging and the new inspectors are untrained,” says the analyst of this research.
To meet this challenge, the NDT sector is employing new technologies that allow non-contact, fast, and automated testing. The objective is to provide operators with a user interface analogous to conventional techniques, thereby minimizing training requirements. However, the new equipment is also getting more complicated, compelling companies to start training schools and to provide clients with customer support engineers who deliver on-demand knowledge about the products. Another solution is to create expert centers to mail the inspection data instead of sending experts on the field, around the world.
Sophisticated Non-Destructive Technologies to Detect Defects from Exploitation in Aircraft
The key technological issues in the NDT space have to do with handling data from inspections. This calls for innovative sensor designs and software developments such as a method to do away with false indications. For instance, in the railway industry, a high-speed system would enable in-situ inspection of rails. Electromagnetic acoustic transducer (EMAT) and alternating current field measurement (ACFM) techniques are employed and developed for high-speed inspection. In some instances, where significant data is acquired during inspection, it becomes challenging to deliver the results speedily to the operator. This problem refers to advanced arrayed systems, which collect a huge data volume as well as to in-situ rail inspection, wherein the inspection data shall be analyzed at the point of origin.
A similar case is NDT on offshore platforms. “Appearing full matrix capture technique for ultrasonic phased arrays, acoustic emission-based monitoring, and high-speed surface wave ultrasonic technique are examples where data acquisition, processing, and storage continue to be restraining factors, compelling NDT systems developers to deal with a significant amount of inspection data,” explains the analyst. Although the semiconductor industry helps the NDT market deal with inspection data, many NDT system developers are unaware of the availability of technological capabilities such as the field-programmable gate array (FPGA) device. Equipment vendors are resorting to intensive marketing to enhance the adoption of their newly developed systems. Manufacturers are undertaking several promotional activities to hasten the acceptance of innovatively developed equipment. Phased array technology has benefited from these marketing drives and has emerged a hit.
Meanwhile, the use of new construction materials, particularly composites, is reviving various traditional NDT methods. “A significant part of the development efforts in NDT are driven by applications of composites – the new material applied for construction – due to which appropriate inspection techniques were developed,” notes the analyst. “Critical constructions such as aircraft require proven technologies that can detect defects from exploitation and since composite panels in aircraft are new, it comes with teething problems that need addressing by NDT experts.” The delaminations and debondings appearing in the composite production and exploitation processes throw up several challenges in aircraft inspection. This has impelled companies to revitalize old inspection techniques and develop appropriate expertise to evaluate composites. The influences of temperature, ultraviolet (UV) treatment, and phenomena such as lightning need to be studied meticulously to evaluate the integrity of aircraft.
Applications
The following applications are covered in this research:
- Transportation
- Power generation
- Petrochemicals
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