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Download or read book Dynamic Fracture Initiation Toughness Of ASTM A533, Grade B Steel Plate... NUREG/CR-6512... U.S. Nuclear Regulatory Commission written by and published by . This book was released on 1999* with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. E. Link
Publisher :
ISBN 13 : 9780160629778
Total Pages : 92 pages
Book Rating : 4.6/5 (297 download)
Download or read book Dynamic Fracture Initiation written by R. E. Link and published by . This book was released on 1998-12-01 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 55 pages
Book Rating : 4.:/5 (873 download)
Download or read book Dynamic Fracture Initiation Toughness of ASTM A533, Grade B Steel Plate written by and published by . This book was released on 1999 with total page 55 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dynamic fracture toughness of an ASTM A533, Grade B steel plate was determined at several temperatures in the ductile-brittle transition region. Crack-tip loading rates ranged from approximately 10(sup3) to 10(sup5) MPa m/s. The fracture toughness was shown to decrease with increased loading rate. The dynamic fracture toughness was compared with results from previous investigations, and it was shown that the decrease in toughness due to increased loading rate at the highest test temperature was not as severe as reported in previous investigations. It was also shown that the reference temperature. T(sub0) was better index of the fracture toughness vs. temperature relationship than the nil-ductility temperature, RT(subNDT), for this material.
![Download Irradiated Dynamic Fracture Toughness of ASTM A533, Grade B, Class 1 Steel Plate and Submerged Arc Weldment. Heavy Section Steel Technology Program Technical Report No. 41. [Neutrons, 2. 5 to 4. 5 X 10/sup 19//n/cm/sup 2/, E] 1 MeV, Acoustic Emission Activity]. PDF Online Free](https://books.google.com/books/content/images/frontcover/vKHVtwEACAAJ?fife=w200-h370)
Download or read book Irradiated Dynamic Fracture Toughness of ASTM A533, Grade B, Class 1 Steel Plate and Submerged Arc Weldment. Heavy Section Steel Technology Program Technical Report No. 41. [Neutrons, 2. 5 to 4. 5 X 10/sup 19//n/cm/sup 2/, E] 1 MeV, Acoustic Emission Activity]. written by and published by . This book was released on 1976 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: As a result of the Heavy Section Steel Technology Program (HSST), sponsored by the Nuclear Regulatory Commission, Westinghouse Electric Corporation conducted dynamic fracture toughness tests on irradiated HSST Plate 02 and submerged arc weldment material. Testing performed at the Westinghouse Research and Development Laboratory in Pittsburgh, Pennsylvania, included 0.394T compact tension, 1.9T compact tension, and 4T compact tension specimens. This data showed that, in the transition region, dynamic test procedures resulted in lower (compared to static) fracture toughness results, and that weak direction (WR) oriented specimen data were lower than the strong direction (RW) oriented specimen results. Irradiated lower-bound fracture toughness results of the HSST Program material were well above the adjusted ASME Section III K/sub IR/ curve. An irradiated and nonirradiated 4T-CT specimen was tested during a fracture toughness test as a preliminary study to determine the effect of irradiation on the acoustic emission-stress intensity factor relation in pressure vessel grade steel. The results indicated higher levels of acoustic emission activity from the irradiated sample as compared to the unirradiated one at a given stress intensity factor (K) level.
Author : David P. G. Lidbury
Publisher :
ISBN 13 :
Total Pages : 232 pages
Book Rating : 4.3/5 (91 download)
Download or read book Applications of Fracture Mechanics in Failure Assessment written by David P. G. Lidbury and published by . This book was released on 2000 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents 24 papers from two symposia held during the July 2000 ASME conference. The two symposia discussed development and user experience of advanced methods of fracture mechanics assessment, and the Master Curve method. The failure analysis diagram (FAD) approach to fracture assessment, United Kin
Author : SM. Graham
Publisher :
ISBN 13 :
Total Pages : 23 pages
Book Rating : 4.:/5 (125 download)
Download or read book Dynamic Initiation Fracture Toughness of a Pressure Vessel Steel in the Transition Region written by SM. Graham and published by . This book was released on 1999 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dynamic fracture toughness of an ASTM A533, Grade B steel plate was determined at several temperatures in the ductile-brittle transition region. Crack-tip loading rates ranged from approximately 103 to 105 MPa?m/s. The fracture toughness was shown to decrease with increased loading rate. The dynamic fracture toughness was compared with results from previous investigations and it was shown that the decrease in toughness due to increased loading rate at the highest test temperature was not as severe as reported in previous investigations. It was also shown that the reference temperature, T0, was a better index of the fracture toughness vs. temperature relationship than the nil-ductility temperature, RTNDT for this material.
Author : J. G. Merkle
Publisher :
ISBN 13 :
Total Pages : 94 pages
Book Rating : 4.3/5 (91 download)
Download or read book An Examination of the Size Effects and Data Scatter Observed in Small-specimen Cleavage Fracture Toughness Testing written by J. G. Merkle and published by . This book was released on 1984 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 744 pages
Book Rating : 4.3/5 (121 download)
Download or read book EPA Publications Bibliography written by and published by . This book was released on 1999 with total page 744 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : W. O. SHABBITS
Publisher :
ISBN 13 :
Total Pages : 53 pages
Book Rating : 4.:/5 (227 download)
Download or read book Dynamic Fracture Toughness Properties of Heavy Section A533 Grade B Class 1 Steel Plate written by W. O. SHABBITS and published by . This book was released on 1970 with total page 53 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : K. W. Carlson
Publisher :
ISBN 13 :
Total Pages : 76 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Effect of Crack Length and Side Grooves on the Ductile Fracture Toughness Properties of ASTM A533 Steel written by K. W. Carlson and published by . This book was released on 1980 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : H. Conque
Publisher :
ISBN 13 :
Total Pages : 13 pages
Book Rating : 4.:/5 (125 download)
Download or read book Using Small Specimens to Measure Dynamic Fracture Properties of High-Toughness Steels written by H. Conque and published by . This book was released on 1992 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: The use of coupled pressure bars (CPB) to induce dynamic fracture in tough materials using small specimens is investigated. CPB experiments were performed with a nuclear pressure vessel steel, A533 Grade B Class 1, over the temperature range 37 to 100°C. The dynamic fracture initiation toughness at a stress intensity loading rate, KI, of 2 x 106 MPa•m1⁄2 s-1 was deduced from the simulation of the fracture experiment with a dynamic viscoplastic finite-element fracture code. At 100°C, no cleavage fracture was observed for either dynamic crack initiation or subsequent propagation and arrest. A procedure to measure initiation, propagation, and arrest toughnesses of nuclear pressure vessel steels up to service temperature with CPB specimens is introduced.
Author : Welding Institute
Publisher :
ISBN 13 :
Total Pages : 364 pages
Book Rating : 4.:/5 (318 download)
Download or read book Dynamic Fracture Toughness: Papers written by Welding Institute and published by . This book was released on 1977 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : ASTM Committee E-24 Staff
Publisher : ASTM International
ISBN 13 : 9780803101050
Total Pages : 430 pages
Book Rating : 4.1/5 (1 download)
Download or read book Fracture Toughness Testing and Its Applications written by ASTM Committee E-24 Staff and published by ASTM International. This book was released on 1981-10 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Ductile Fracture Toughness Of Modified A 302 Grade B Plate Materials ... Nureg/CR-6426 ORNL-6892/V2 Vol. 2 ... U.S. Nuclear Regulatory Comm ... February 1997 written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ravinder Chona
Publisher : ASTM International
ISBN 13 : 080311429X
Total Pages : 187 pages
Book Rating : 4.8/5 (31 download)
Download or read book Rapid Load Fracture Testing written by Ravinder Chona and published by ASTM International. This book was released on 1992 with total page 187 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : JA. Begley
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (125 download)
Download or read book Dynamic Fracture Toughness of SA533 Grade A Class 2 Base Plate and Weldments written by JA. Begley and published by . This book was released on 1977 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dynamic fracture toughness tests were performed on four base plate heats and six weldments of SA533 Gr A Cl 2 pressure vessel steel. Linear elastic KId results were obtained at low temperatures while J-integral techniques were utilized to evaluate dynamic toughness over the transition and upper shelf temperature ranges. Loading rates in terms of ?K were on the order of 2 to 4 x 104 ksi in/s(2.2to4.4x104MPam/s). Charpy and drop weight nil-ductility transition (NDT) tests were performed to permit a comparison of toughness results with the American Society of Mechanical Engineers (ASME) code reference toughness KIR curve. Dynamic instrumented precracked Charpy tests on base plate material were included for a comparison with compact toughness (CT) specimen results. All dynamic fracture-toughness values of SA533 Gr A Cl 2 base, weld, and heat affected zone (HAZ) material exceeded the ASME code reference toughness KIR curve. Fracture-toughness values obtained via small specimen dynamic JId tests (1.0 in. (2.5 cm) thick CT specimens) compared well with previously developed large specimen KId values. Dynamic instrumented precracked Charpy toughness values were also comparable at low temperatures but failed to meet minimum J specimen size limitations midway into the transition-temperature range. At this point, Charpy toughness values increased dramatically compared to JId results meeting a 25 JId/?f size criterion and, thus, should not be considered a valid representation of fracture toughness. True upper shelf dynamic fracture-toughness results are also presented. The point of crack initiation (which provides the minimum measured value of JId) was identified rather than the typical maximum load point.
Author :
Publisher :
ISBN 13 :
Total Pages : 80 pages
Book Rating : 4.:/5 (16 download)
Download or read book Ductile Fracture Toughness of Modified A 302 Grade B Plate Materials, Data Analysis written by and published by . This book was released on 1997 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: The goal of this work was to develop ductile fracture toughness data in the form of J-R curves for modified A302 grade B plate materials typical of those used in reactor pressure vessels. A previous experimental study on one heat of A302 grade B plate showed decreasing J-R curves with increased specimen thickness. This characteristic has not been observed in tests made on recent production materials of A533 grade B and A508 class 2 pressure vessel steels. It was unknown if the departure from norm for the material was a generic characteristic for all heats of A302 grade B steels or unique to that particular plate. Seven heats of modified A302 grade B steel and one heat of vintage A533 grade B steel were tested for chemical content, tensile properties, Charpy transition temperature curves, drop-weight nil-ductility transition (NDT) temperature, and J-R curves. Tensile tests were made in the three principal orientations and at four temperatures, ranging from room temperature to 550F. Charpy V-notch transition temperature curves were obtained in longitudinal, transverse, and short transverse orientations. J-R curves were made using four specimen sizes (1/2T, 1T, 2T, and 4T). The fracture mechanics-based evaluation method covered three test orientations and three test temperatures (80, 400, and 550F). However, the coverage of these variables was contingent upon the amount of material provided. Drop-weight NDT temperature was determined for the T-L orientation only. None of the heats of modified A302 grade B showed size effects of any consequence on the J-R curve behavior. Crack orientation effects were present, but none were severe enough to be reported as atypical. A test temperature increase from 180 to 550F produced the usual loss in J-R curve fracture toughness. Generic J-R curves and curve fits were generated to represent each heat of material. This volume deals with the evaluation of data and the discussion of technical findings. 8 refs., 18 figs., 8 tabs.
