Fracture Toughness Testing Gains A2LA Accreditation , GE & Boeing Approval At Laboratory Testing Inc.


Fracture Toughness Testing has been added to Laboratory Testing Inc.’s scope of A2LA accreditation to ISO/IEC 17025:2005 under the lab’s Mechanical Testing certificate. In addition, the Boeing Company and GE Transportation – Aviation have appro

Hatfield, PA (I-Newswire) September 11, 2012 - Laboratory Testing Inc. (LTI) has expanded its scope of accreditation to ISO/IEC 17025:2005 with The American Association for Laboratory Accreditation (A2LA). The laboratory has been awarded A2LA accreditation for Fracture Toughness Testing under the umbrella of approvals in the field of Mechanical Testing. In addition, the Boeing Company has audited and approved Laboratory Testing lnc. as a Source for Fracture Toughness Testing to ASTM E399, and has added the test to their list of LTI approved processes. Likewise, GE Transportation – Aviation has added Fracture Toughness Testing to LTI’s S400 Certification of Approval.

The computerized fracture toughness test equipment at Laboratory Testing Inc. can generate 55,000 lbs. of tensile or compressive force. An environmental chamber controls the test temperature between -150° F and +350° F. LTI has fixturing to test various specimens in a range of sizes, including SE(B) (single edge bend) and C(T) (compact tension) specimens. The fracture toughness test requires a precisely machined specimen prepared to specification. The Machine Shop at LTI prepares all required specimens including those with an EDM notch.

Fracture toughness testing according to ASTM E399 applies a continuously increasing load to the specimen and determines KIC. ASTM E1820 uses a rising load with periodic partial unloading to measure the instantaneous crack length and provides both KIC and JIC. The stress-intensity factor, "K", is used to characterize the fracture toughness of linear elastic materials, which are typically high strength materials that fail in a brittle manner. "J" describes elastic-plastic fracture toughness in more ductile materials which are better able to deform and resist crack growth under load. The Roman numeral subscript “I” indicates the test process in which a tensile load is applied normal to the direction of the crack plane.

Laboratory Testing Inc. received its first A2LA accreditation certificate in 1989 for dimensional testing and has continued to expand the scope of A2LA accredited testing and calibration services since that time.






About Laboratory Testing Inc.

Laboratory Testing Inc. (LTI) of Hatfield, PA has been in business since 1984. The company specializ   More..es in materials testing, specimen machining, failure analysis, dimensional inspection and calibration services. The lab is accredited to ISO/IEC 17025 by PRI/Nadcap and A2LA, which complies with and exceeds the requirements of ISO 9001 and ISO 13485. Chemical, mechanical, metallurgical and nondestructive testing are performed on metals found in fasteners, tubing, pipe, barstock, plates, castings and other products. The chemistry lab performs ICP-Mass spectroscopy, ICP-AES spectroscopy, Direct Reading AES, trace element analysis, SEM-EDS and corrosion testing and also analyzes powdered metals, ores, ferroalloys, composites, plastics and ceramics. Mechanical testing covers tensile, hardness, charpy V-notch, stress rupture, proof load, bend, yield strength and more. A wide-range of metallurgical testing services are provided including microscopic, macroscopic and microhardness examinations for grain size measurement, coating thickness measurement, case depth, alpha case, surface contamination, microstructure and many more. Nondestructive testing services include ultrasonic testing, magnetic particle inspection, liquid penetrant inspection, X-ray inspection, visual inspection and hydrostatic pressure testing. LTI has the capabilities to test metals and other materials for strength and durability, flaws and defects and to determine composition and susceptibility to corrosion. Failure analysis testing can be performed to determine the root cause of an unexpected failure in a product or part that was designed to operate under specific service conditions. A detailed report explains the cause of the failure and can provide information on preventing future occurrences. The testing area also inspects welds for welder and procedure qualification. LTI's machining division prepares test specimens for mechanical testing, including stress rupture tests. All services are performed using computerized numerical control (CNC) equipment in accordance with ASTM A-370, ASTM E-8 or ASTM E-23 requirements and customer specifications. Dimensional inspection is performed on surface and specialty features of machined products and parts. The calibration lab, LTI Metrology, provides dimensional, pressure, force, torque, electrical, temperature, mass and vacuum calibrations for measuring tools, gages, standards and measuring equipment. LTI also offers field services for surface plates, CMMs, optical comparators, hardness testers, balances, measuring tools, and testing machines. Orders for flow and humidity calibrations can be subcontracted to the company's audited vendors. As a representative for Glastonbury Southern Gage (GSG), Vermont Gage, Mitutoyo, Boston Centerless, Swanson Tool and Starrett, LTI can supply new gages, tools and replacement parts. Instrument repairs are available. Information on LTI services and accreditations is provided at www.labtesting.com or from sales@labtesting.com.Less..

Contact Information

Laboratory Testing Inc.
Sharon Bentzley
2331 Topaz Drive
19440
Phone : 215-716-7398

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Mechanical Testing   laboratory testing inc   lti   a2la accreditation   Fracture Toughness Testing   Fracture Toughness Test   ASTM E399   testing laborator  

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September 11, 2012

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