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Improved Ultrasonic Inspection Of Titanium Alloy Forging Billets
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Book Synopsis Improved Ultrasonic Inspection of Titanium Alloy Forging Billets by : I. M. Matay
Download or read book Improved Ultrasonic Inspection of Titanium Alloy Forging Billets written by I. M. Matay and published by . This book was released on 1977 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: Titanium is an important raw material in both aircraft engines and structures. It is also being used in a larger-and-larger size forged billet form. The billets' increasing size, in addition to their coarser-grained structures, drastically limit the detection capabilities and reliability of finding small defects when using established ultrasonic techniques along with manually operated commercial instruments. Providing an improved billet inspection to insure greater reliability in the finished part at an improved overall process economy is desirable. Available commercial instruments were evaluated and proven incapable of meeting the critical inspection requirements. An original design for the ultrasonic circuitry, interfaced with a minicomputer, and a data display system which shows the billet in multiple cross-section slices was fabricated. All the detectable defects and/or only those which meet or exceed a selected quality control reject criteria, can be displayed. An Ultrasonic Diagnostic Inspection System, UDIS, capable of increased inspection sensitivity, resolution and speed with reduced equipment and operator variability was built and evaluated in this program. The performance characteristics of the system have been well defined by laboratory operations and the feasibility of its application to mill inspection of up to 16-inches diameter and 10-foot length billets has been demonstrated by limited in-plant field trials. In addition, a joint industry (billet maker/user) team evaluation of the UDIS has also been carried out for the establishment of an improved billet inspection specification. The report also covers recommendations for industry utilization of the UDIS.
Book Synopsis Enhanced Ultrasonic Immersion Inspection for Titanium Alloy and Other Metal Alloy Billets by : AMS K Non Destructive Methods and Processes Committee
Download or read book Enhanced Ultrasonic Immersion Inspection for Titanium Alloy and Other Metal Alloy Billets written by AMS K Non Destructive Methods and Processes Committee and published by . This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This specification covers procedures for ultrasonic immersion inspection of premium grade wrought titanium and titanium alloy round billet 5 inches (127 mm) and over in nominal diameter (see 8.5). Metal alloy billets other than titanium may be tested to this specification with the use of suitable reference standards. AMS2628B is an extensive revision of this specification including accomodation for non titanium alloys, adds notes on the definition of premium grade and other updates.
Book Synopsis Understanding and Improving Ultrasonic Inspection of Jet-engine Titanium Alloy by : Linxiao Yu
Download or read book Understanding and Improving Ultrasonic Inspection of Jet-engine Titanium Alloy written by Linxiao Yu and published by . This book was released on 2004 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt: Commercial titanium alloy is widely used in the rotating components of aircraft engines. To ensure the safety and longer lifetime of these critical parts, the demand to detect smaller defects becomes more and more important. However, the detection of smaller defects by ultrasonic method in such materials is made difficult by the complicated ultrasound-microstructure interactions, such as the high backscattered grain noise levels and serious signal fluctuations. The objective of this research is to develop a more complete understanding of these phenomena to guide solutions that would address those problems. In Chapter 1, the relationships between ultrasonic properties and the microstructure are investigated for a series of Ti-6A1-4V forging specimen. Close correlation between the ultrasonic properties and the forging deformation parameters are observed. A model was developed to correlate backscattered grain noise levels with microstructural variations (grain orientation, elongation and texture) due to the inhomogeneous plastic deformation during forging. The model predictions and experiments agree reasonably well. In Chapter 2, an existing backscattered grain noise theory is extended, leading to a formal theory predicting the spatial correlation of the backscattered grain noise. A special form of the theory for a Gaussian beam is also presented to demonstrate that the material microstructure and the overlap of the incident beam are the important physical parameters controlling the grain noise spatial correlation. The developed theory is validated by the excellent agreements between the predictions and experiments. Physical insights of the results for different setups were discussed. Ultrasonic signal fluctuations are studied in Chapter 3. The microstructure-induced beam distortions are first explicitly demonstrated. An analytical relationship is then derived to correlate the back-wall P/E spectrum at one transducer location to the through-transmitted field. Based on the analytical relationship and the statistical descriptions of various beam distortion effects, a quantitative Monte-Carlo model is developed to predict the back-wall amplitude fluctuations seen in ultrasonic P/E inspections. The predictions are shown to be in good agreements with experiments. The same modeling approach is used to simulate the flaw (small reflector) signal fluctuation and the results are compared with an independent modeling study. Qualitative agreements are observed.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1988 with total page 892 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book WESTEC '72 written by and published by . This book was released on 1972 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the 13th World Conference on Titanium by : Vasisht Venkatesh
Download or read book Proceedings of the 13th World Conference on Titanium written by Vasisht Venkatesh and published by John Wiley & Sons. This book was released on 2016-04-26 with total page 2004 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains the Proceedings of the 13th World Conference on Titanium.
Book Synopsis Fundamental Studies of Titanium Forging Materials by :
Download or read book Fundamental Studies of Titanium Forging Materials written by and published by . This book was released on 2005 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report discusses measurements of ultrasonic velocity, attenuation, and backscattered grain noise in representative forged engine disks of titanium alloy, with emphasis on the grain noise that acts to limit flaw detectability in practice. The manner in which the measurements can be used to design improved ultrasonic inspections is discussed. Other topics include the relationship between ultrasonic properties and forging strain, the effect of surface curvature on inspectability, and tests of models that predict ultrasonic flaw signals and grain noise levels. The manufacture of a representative forged disk containing synthetic hard alpha defects and flat-bottomed holes is also discussed.
Book Synopsis Ultrasonic Inspection by : Society of Automotive Engineers
Download or read book Ultrasonic Inspection written by Society of Automotive Engineers and published by . This book was released on 1985 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fundamental Studies of Titanium Forging Materials by :
Download or read book Fundamental Studies of Titanium Forging Materials written by and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Titanium written by Gerd Lütjering and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors were motivated to prepare this book by the absence of any recent comprehensive book on titanium. The intent of this book is to provide a modern compendium that addresses both the phyical metallurgy as well as the applications of titanium. Until now the only book on this subject is that by Zwicker which was written in German and published almost 30 years ago. Chapter 1 is an introduction to the subject including some historical aspects of titanium. Chapter 2 is a s- mary of the Fundamental Aspects of Titanium, Chapter 3 is a summary of the Technological Aspects of Titanium and Chapters 4 through 9 address the specifics of the various classes of titanium ranging from CP Titanium to Titanium Matrix Composites. Finally, Chapter 10 covers “special” properties and applications of titanium. Our intent has been to address the subject conceptually rather than provide quantities of data of the sort that would be found in a Handbook. It is our intent that this book is useful for materials scientists and engineers interested in using titanium and for students either as a sourcebook or as a textbook. We have - tempted to include a representative set of references which provide additional detail for readers interested in specific aspects of titanium. Because of the re- tively recent growth of the technological importance of titanium, there is a vo- minous literature on titanium. While our references span this literature it has proven impossible to mention every contribution.
Book Synopsis Ultrasonic Immersion Inspection Titanium and Titanium Alloy Forgings Premium Grade by : AMS K Non Destructive Methods and Processes Committee
Download or read book Ultrasonic Immersion Inspection Titanium and Titanium Alloy Forgings Premium Grade written by AMS K Non Destructive Methods and Processes Committee and published by . This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This specification covers procedures for ultrasonic immersion inspection of premium grade wrought titanium and titanium alloy forgings. Premium grade is a term used to describe titanium alloys used for critical rotating components in turbine engines. For details, see SAE AMS2380, the specification that covers the procedures for approval of products of premium-quality titanium alloys and the controls to be exercised in producing such products. AMS2636 is a new specification that provides requirements for the ultrasonic inspection of titanium forgings used for critical, rotating engine components.
Book Synopsis Evaluation of the Reliability and Sensitivity of NDT Methods for Titanium Alloys by : Robert J. Lord
Download or read book Evaluation of the Reliability and Sensitivity of NDT Methods for Titanium Alloys written by Robert J. Lord and published by . This book was released on 1974 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt: The report describes the work conducted on a program designed to improve nondestructive testing techniques and, then, to evaluate the capability and reproducibility of the improved nondestructive testing techniques for the evaluation of discontinuities occurring in titanium. Reported are penetrant dwell times, penetrant bleed-out times, developer types, emulsification times, and water washing parameters required to effectively penetrant inspect parts which may contain a variety of crack sizes and porosity. Both post-emulsifiable and water washable fluorescent penetrants were investigated. The effect of kilovoltage on radiographic contrast sensitivity is discussed. Ultrasonic inspection of contour surfaces is reported and methods for improving near-surface resolution are documented. Methods for ultrasonic inspection of thin machined parts are reported.
Book Synopsis Official Gazette of the United States Patent and Trademark Office by :
Download or read book Official Gazette of the United States Patent and Trademark Office written by and published by . This book was released on 2001 with total page 832 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Review of Progress in Quantitative Nondestructive Evaluation by : Donald O. Thompson
Download or read book Review of Progress in Quantitative Nondestructive Evaluation written by Donald O. Thompson and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 2462 pages. Available in PDF, EPUB and Kindle. Book excerpt: These Proceedings, consisting of Parts A and B, contain the edited versions of most of the papers presented at the annual Review of Progress in Quantitative Nondestructive Evaluation held at Snowmass Village, Colorado, on July 31 to August 4, 1994. The Review was organized by the Center for NDE at Iowa State University, in cooperation with the Ames Laboratory of the US DOE, the Materials Directorate of the Wright Laboratory, Wright-Patterson Air Force Base, the American Society of Nondestructive Testing, the Department of Energy, the National Institute of Standards and Technology, the Federal Aviation Administration, the National Science Foundation Industry/University Cooperative Research Centers, and the Working Group in Quantitative NDE. This year's Review of Progress in QNDE was attended by approximately 450 participants from the U.S. and many foreign countries who presented over 360 papers. The meeting was divided into 36 sessions, with as many as four sessions running concurrently. The Review covered all phases of NDE research and development from fundamental investigations to engineering applications or inspection systems, and it included many important methods of inspection science from acoustics to x-rays. In the last eight to ten years, the Review has stabilized at about its current size, which most participants seem to agree is large enough to permit a full-scale overview of the latest developments, but still small enough to retain the collegial atmosphere which has marked the Review since its inception.
Book Synopsis Ultrasonic Inspection Titanium and Titanium Alloy Bar, Billet, and Plate by :
Download or read book Ultrasonic Inspection Titanium and Titanium Alloy Bar, Billet, and Plate written by and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Aircraft Accident Report written by and published by . This book was released on with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Review of Progress in Quantitative Nondestructive Evaluation by :
Download or read book Review of Progress in Quantitative Nondestructive Evaluation written by and published by . This book was released on 1996 with total page 1160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
