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Topic: Nondestructive testing

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	Nondestructive testing - Wikipedia, the free encyclopedia
		That there is a tradeoff between the cost of the test and its reliability favors a strategy in which most test objects are inspected nondestructively; destructive testing is performed on a sampling of test objects that is drawn randomly for the purpose of characterizing the testing reliability of the nondestructive test.
		The false impression that the testing reliability is well defined can be established by the use of terms that imply the preservation of probability theory under conditions in which probability theory is empirically violated.
		Potential and actual users of Defect Detection Tests should also be aware of the fact that the expected utility of such a test depends upon a) the nature of the statistical populations to be tested and b) the utilities of the user.
	en.wikipedia.org /wiki/Nondestructive_testing (1822 words)

	The American Society for Nondestructive Testing (NDT)
		Nondestructive testing is used to investigate the material integrity of the test object.
		Nondestructive testing asks "Is there something wrong with this material?" Various performance and proof tests, in contrast, ask "Does this component work?" This is the reason that it is not considered nondestructive testing when an inspector checks a circuit by running electric current through it.
		Nondestructive material characterization is a growing field concerned with material properties including material identification and microstructural characteristics - such as resin curing, case hardening and stress - that have a direct influence on the service life of the test object.
	www.asnt.org /ndt/primer1.htm (808 words)

	Nondestructive Material Testing with Ultrasonics - Introduction to the Basic Principles
		Both test methods, radiography and ultrasonic testing, are the most frequently used methods of testing different test pieces for internal flaws, partly covering the application range and partly extending it.
		The length N of the near-field (near-field length) and the divergence angle is dependent on the diameter of the element, its frequency and the sound velocity of the material to be tested.
		Often in thick-walled test objects, in which there are vertical discontinuities, this condition cannot be fulfilled so that the reflected sound waves from the discontinuity and the surface of the test object do not return to the probe.
	www.ndt.net /article/v05n09/berke/berke1.htm (1439 words)

	Microwave Nondestructive Testing
		Microwave testing has been paid only scant attention in the literature as a method for nondestructive testing of materials, yet it offers some attractive features, especially for the testing of composites and other nonmetallic materials.
		Microwave techniques have been used in a large number of applications that can be classified as nondestructive testing applications, ranging from large scale remote sensing to detection of tumors in the body.
		This volume describes a unified approach to microwave nondestructive testing by presenting the three essential components of testing: theory, practice, and modeling.
	ee.ascs3.uakron.edu /ida/book4.html (252 words)

	Nondestructive Testing - David I. Lewin
		The art of testing an object for defects without destroying it or changing its usefulness is called either "nondestructive testing (NDT)" or "nondestructive evaluation (NDE)." It can be traced back centuries to egg candling and metal ringing.
		Nondestructive tests ensure the safety and reliability of manmade objects as different from each other as airliners and automobiles or industrial boilers and microchips.
		According to Yolken, who heads up NDE activities at this federal laboratory, almost every form of energy is used by nondestructive techniques: electromagnetic energy (light, X rays, gamma rays, magnetic fields), mechanical vibrational energy (ultrasound), and thermal energy.
	www.worldandi.com /specialreport/1986/august/Sa10253.htm (274 words)

	Thielsch Engineering - LABS Nondestructive Testing
		Each nondestructive examination is performed to the requirements of major Codes, including the ASME Boiler and Pressure Vessel Codes, the ASME/ANSI Codes for Pressure Piping, the American Petroleum Institute Codes, American Welding Society Standards and military specifications.
		Eddy current testing is a rapid and accurate technique used to detect discontinuities in tubing, heat exchangers, condensers, wires, plates, etc. Eddy current testing is also performed for alloy separation and for the determination of treatment conditions.
		Nondestructive testing programs are provided under the guidelines of SNT-TC-1A both in-house and on-site.
	www.thielsch.com /labsnde.htm (510 words)

	NDTE - Nondestructive Testing (Site not responding. Last check: 2007-10-21)
		Basic theory and applications of the ultrasonic techniques of materials testing covering the theoretical material from the certification test for Ultrasonic Level I American Society of Nondestructive Testing.
		A theoretical study and practical application of the nondestructive testing technique of penetrant and magnetic particle testing required by quality assurance and test personnel including proper test technique, or combination of techniques and interpretation, evaluation of test results.
		Emphasis is on examination of plate and pipe welds, characterization of flaws, immersion testing, written practices, and procedures.
	www.delmar.edu /catalog/descript/ndte.html (120 words)

	Eddy Current Nondestructive Testing Products (Site not responding. Last check: 2007-10-21)
		GE Inspection Technologies is a leading developer of eddy current instruments, testing machines, and sensors for industrial applications requiring surface crack detection and metal sorting.
		GE Inspection Technologies' nondestructive eddy current testing solutions will meet the critical requirements of your unique application and deliver productivity, quality, and safety.
		Accurate, reliable and easy to operate, the Vector 22 can be applied to a wide range of automated, semi-automated, and manual eddy current testing applications.
	www.geinspectiontechnologies.com /en/products/ec/index.html (217 words)

	Nondestructive Testing
		Introduction to nondestructive testing of aerospace metals and structures; and eddy current, liquid penetrant, magnetic particle, radiography, and ultrasonic testing methods.
		Includes phase amplitude and impedance testing, identification and inspection techniques of conventional and advanced composites, and eddy current equipment calibration and inspections on composite materials.
		Includes analysis of process control and inspection applications for thickness testing, distance amplitude correction curve, skip distance, and weld inspections; bolt-hole inspections with scanner, conductivity testing, metal sorting, nonconductive coating thickness testing and flaw testing on various aerospace metals; and operation and maintenance of inspection.
	www.au.af.mil /au/ccaf/catalog/2002cat/cd_ndt.htm (447 words)

	Nondestructive Testing
		Therefore, methods which have little effect on the existing conditions, i.e., nondestructive methods, are highly desirable.
		Nondestructive testing (NDT) is a powerful tool used by WDP engineers during structural evaluations and facade investigations.
		WDP has developed extensive expertise in NDT, especially relating to concrete and masonry, in order to gain an understanding of the existing conditions of structures at the least cost and disruption to the client.
	www.wdpa.com /ndt.html (122 words)

	February 2002 Focus - Welcome to the Word of Nondestructive Testing
		The workshop will also include demonstrations of other testing equipment, such as the Air Void Analyzer and technology for performing the impact-echo test and spectral analysis of surface waves.
		Nondestructive testing has the advantages of measuring in-place properties of the concrete and providing rapid results, while causing minimal damage to the concrete.
		These testing techniques are becoming increasingly important as the pavement industry moves toward using performance-related specifications, warranties, high-performance concrete, and extended life pavements.
	www.tfhrc.gov /focus/feb02/testing.htm (281 words)

	Publication Reviews in Nondestructive Testing (NDT) (Site not responding. Last check: 2007-10-21)
		Nondestructive Testing: An Expanding Market - BCC, Inc. This study examines new and emerging NDT technologies in the context of the overall nondestructive testing market.
		Contents includes: history of infrared testing, theoretical aspects, experimental apparatus, internal and external thermal stimulation, quantitative analysis of delaminations, inspection with low emissivity by thermal transfer imaging, thermal diffusivity measurements, thermal tomography, thermal NDE of nonplanar surfaces, and applications of infrared thermography to high temperatures.
		The purpose of this book is to delineate practical, tested general spectroscopic methods (for ultraviolet, visible, near infrared, and infrared spectrometry) in basic terms for novice users and to provide a reference resource for advanced spectrsocopists.
	www.ntiac.com /pubs/ndepubs.html (5028 words)

	Services - Nondestructive Testing (NDT)
		Testing is conducted under the same dynamic conditions that the pavement will be subjected to during its design life.
		Since the test sequence is rapid (200-300 tests/day are common), unit testing costs are low.
		Machine functions and test point layout for both pieces of equipment are controlled by an on-board computer housed in the tow vehicle.
	www.rdmcqueen.com /NDT.HTM (563 words)

	Nondestructive Testing of Food Quality (Site not responding. Last check: 2007-10-21)
		Nondestructive food testing is gaining momentum because of increasing automation and the incorporation of new and efficient processes in the food industry.
		Since testing equipment must be integrated within the existing infrastructure, it must be robust and able to function in varying environments.
		Nondestructive Testing of Food Quality illustrates how achieving stable measurement conditions and applying corrective actions on the process line are greatly dependent not only on the instrumentation and methods applied, but also on the planning and involvement of professionals with different technical backgrounds, including management.
	store.blackwell-professional.com /0813828856.html (593 words)

	Eddy Current And Nondestructive Testing (Site not responding. Last check: 2007-10-21)
		Electromagnetic Testing (ET) is one of the primary methods of Nondestructive Testing (NDT).
		Eddy Current Testing (ECT) is one of the techniques used to perform ET inspections.
		It is designed to help collect, analyze and manage data obtained using the eddy current method of nondestructive testing.
	www.zetec.com /resources.asp (235 words)

	Courses in underwater Nondestructive Testing (NDT) for professional commercial divers.
		To provide skills in various nondestructive testing (NDT) methods for determining the integrity of structures in accordance with various industry codes and standards.
		A student is eligible to receive qualification certificates of training for Levels I and II in Ultrasonic (UT), Magnetic Particle (MT), and Dye Penetrant (PT) in accordance with the American Society for Nondestructive Testing (ASNT) and Visual Testing (VT) in accordance with American Welding Society (AWS).
		Underwater Nondestructive Testing (NDT) training provides the student with the additional skills of an NDT Technician.
	www.natpoly.edu /Programs/COO/Concentrations/NDT.html (196 words)

	Nondestructive Testing (Site not responding. Last check: 2007-10-21)
		Large specimens are offloaded and transported to testing areas by forklift.
		Our laboratory shooting cell for radiographic (X-Ray) testing is equipped with an overhead power hoist and is forklift accessible to accommodate large specimens.
		Radiographic testing is also performed in the field with the aid of mobile laboratories.
	www.unifiedtesting.com /NDE.html (156 words)

	Open Directory - Science: Technology: Quality Engineering: Nondestructive Testing (Site not responding. Last check: 2007-10-21)
		Australian Institute for Non-Destructive Testing - AINDT aims to provide members, industry and the community with an independent and professional level of service in relation to the science and practice of Non-Destructive testing.
		Nondestructive Testing - These facilities offer the latest technology for both field service and in house laboratory NDT inspection.
		Nondestructive Testing Management Association - Dedicated to the management of NDT projects and personnel.
	dmoz.org /Science/Technology/Quality_Engineering/Nondestructive_Testing (2228 words)

	Stork Materials Technology - Nondestructive Testing
		Nondestructive testing (NDT) identifies defects before they become problems, without destroying the sample material.
		Stork NDT services are designed to comply with government contracts, military specifications, industry standards, and your requirements; tests are timely, accurate and confidential, and are available in our labs or at your site.
		This is a quick, economical testing method and easily set up in the field with our portable equipment.
	www.storksmt.com /page.html?id=6242 (339 words)

	Nondestructive Testing: Quality Engineering at Canadian Content
		Additional Information: Nondestructive testing, also known as nondestructive evaluation, nondestructive inspection, and sometimes as condition or health-based monitoring, is a wide field of testing procedures that do not damage or destroy the interrogated object.
		Test laboratory specialized in metrology, vibration and acoustic tests simulation, chemical analysis, defect analysis, mechanical tests, non-destructive tests, tailored tests to specifications, calculation and simulation.
		Batelle's introduction to MFL testing as it is applied in the oil and gas industry.
	www.canadiancontent.net /dir/Top/Science/Technology/Quality_Engineering/Nondestructive_Testing (1669 words)

	Welding & Nondestructive Testing Technology (Site not responding. Last check: 2007-10-21)
		The Welding and Nondestructive Testing Technology program prepares students for employment in welding and/or nondestructive testing jobs as entry-level technicians in construction, manufacturing and transportation industries.
		A variety of career opportunities throughout the world are available to welding technicians and nondestructive examination technicians.
		The Welding and Nondestructive Testing program offers an Associate of Applied Science (AAS) degree in Welding and Nondestructive Testing Technology and two separate certificates in either Industrial Welding Technology or Nondestructive Testing Technology.
	www.uaa.alaska.edu /ctc/programs/applied/welding (141 words)

	Nondestructive Testing
		Our inspectors and engineers have been involved in developing an using nondestructive inspection methods throughout a wide range of the civil, industrial and process industries.
		A sound knowledge of construction and pressure vessel codes and a library of standard procedures provides an audit trail where required for quality and regulatory requirements.
		Where required, advanced inspection methods can be used to produce images such as 3-D weld defect displays and digital equipment is available to record raw data for post test analysis and display.
	www.tisec.com /services/NDT_testing.htm (254 words)

	Nondestructive Testing Services, Pensacola Florida - gpr, x-ray, radiography, fiber optic
		Pensacola Testing Laboratories, Inc. has provided nondestructive testing services to municipal, commercial, industrial and naval clients for 40 years.
		Our firm is a member of professional organizations such as the American Society for Nondestructive Testing, American Welding Society, American Society for Testing and Materials, American Council of Independent Laboratories, and the Florida Engineering Society.
		All tests are performed by experienced technicians and reviewed by our staff.
	www.pensacolatesting.com /ptl/ndt.htm (290 words)

	ultrasonic testing instrument: nondestructive testing equipment, instruments, supplies and accessories
		Ultrasonic testing instrument can be used for testing in any situation where destruction of the tested material is not an option.
		By ordering our ultrasonic testing instrument, you can rest assured you are getting the highest quality ultrasonic testing instrument possible.
		Our ultrasonic testing instrument can be found by following the links on the left of our site.
	www.ndtsupply.com /ultrasonic_testing_instrument.htm (98 words)

	Welcome to RNDT, Inc. - Pennsylvania's Leader in Nondestructive Testing Services
		RNDT, Inc. is a NADCAP and ISO-17025 accredited commercial testing and research laboratory located in Johnstown, PA. We provide both X-ray and gamma radiography, all liquid penetrant techniques, all magnetic particle techniques, ultrasonic testing and visual (CWI) inspections.
		RNDT, Inc. is a commercial nondestructive testing and research laboratory located in Johnstown, Pennsylvania, that specializes in difficult NDT applications and techniques.
		RNDT, Inc. is comprised of seasoned nondestructive testing and welding professionals who can handle many NDT and technical welding related needs that your organization may have.
	www.rndt.net (499 words)

	Sattler Consultants, Inc. - Specialists in Nondestructive Testing (NDT) Services, Consulting and Training
		Sattler Consultants is a firm that works in the field of Nondestructive Testing.
		The field of nondestructive testing is also known as nondestructive examination, NDE, non destructive testing, nondestructive evaluation and nondestructive inspection, NDI.
		We have had active membership on ASME Boiler and Pressure Vessel Committees dealing with nondestructive examination for over 30 years as well as membership on various ASNT Committees.
	www.sattlerndt.com (329 words)

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