Bibliographies thématiques / Hardne

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Littérature scientifique sur le sujet « Hardne »

Auteur : Grafiati
Publié le 9 mars 2023
Mis à jour le 31 juillet 2025

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Articles de revues sur le sujet "Hardne"

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Gyurkó, Zoltán, and Adorján Borosnyói. "Brinell-hardness testing and discrete element modelling of hardened concrete." Epitoanyag - Journal of Silicate Based and Composite Materials 67, no. 1 (2015): 8–11. http://dx.doi.org/10.14382/epitoanyag-jsbcm.2015.2.

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Harden, Alessandra Ramos de Oliveira, and Theo Harden. "Uma viagem para nunca esquecer: traduzindo o olhar europeu sobre a Amazônia Brasileira." Cadernos de Tradução 41, esp (2021): 101–9. http://dx.doi.org/10.5007/2175-7968.2021.e84943.

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Ren, Bao Chen, Ya Hui Wang, and Wen Bin Wu. "Study on Surface Modification of Feed Bulking Machine Extuding Screw." Advanced Materials Research 148-149 (October 2010): 475–78. http://dx.doi.org/10.4028/www.scientific.net/amr.148-149.475.

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Ionitrriding and plasma arc surface quenching are seprately used to harden screw surface for settling the wearing problem of bulking machine extruding screw during the feed production process in the paper.The results indicate that surface hardness is incresed 1～2times and the depth of harden layer is about 0.15～0.3 millimeter by ionitrding,but plasma arc surface quenching can improve the surface hardness of screw 2～3times, and the depth of harden layer is about 0.2～0.45 millimeter. Metallurgical structure of harden layer is also analysed and discussed.
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Ma, Zhuang, Ke Ming Liu, and Lian Yong Zhang. "Study on the Structure of Grind-Hardened Layer and Parameter of Hardening Depth of 42CrMo Steel." Advanced Materials Research 189-193 (February 2011): 969–73. http://dx.doi.org/10.4028/www.scientific.net/amr.189-193.969.

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Grind-hardening test were performed on MM7132 surface grinder with corundum grinder wheel in the mesh of 60#. The result shows that the structure of grind-hardened layer is composed with lath martensite and small mixed martensite; the depths of grind-harden layer is largest when the grind depth is 0.3mm, while the depths of grind-harden layer decreased when the grind depth is 0.2mm, 0.4mm, 0.5mm,respectively. The range of microhardness of grind-harden layer is from 754 to 853. The depths of grind-harden layer along the direction of working appeared ladderly.
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van Hoffen, Marieke. "'Harde' risico's." TBV – Tijdschrift voor Bedrijfs- en Verzekeringsgeneeskunde 30, no. 7-8 (2022): 19. http://dx.doi.org/10.1007/s12498-022-2021-6.

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Weel, A. N. H. "Harde heelmeesters?" Tijdschrift voor Bedrijfs- en Verzekeringsgeneeskunde 14, no. 10 (2006): 503–4. http://dx.doi.org/10.1007/bf03074471.

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Keller, Sarah L., and Alvin L. Kwiram. "Harden Marsden McConnell." Physics Today 68, no. 9 (2015): 64–65. http://dx.doi.org/10.1063/pt.3.2922.

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Hardie, R. "John Blair Hardie." British Dental Journal 206, no. 4 (2009): 235. http://dx.doi.org/10.1038/sj.bdj.2009.130.

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Thomas, David D., Betty J. Gaffney, and O. Hayes Griffith. "Harden M. McConnell." Biophysical Journal 64, no. 3 (1993): 573–76. http://dx.doi.org/10.1016/s0006-3495(93)81415-2.

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Davenport, R. J. "Harden My Heart." Science of Aging Knowledge Environment 2005, no. 16 (2005): nf29. http://dx.doi.org/10.1126/sageke.2005.16.nf29.

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Thèses sur le sujet "Hardne"

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RESTA, FEDERICA. "Integrated Read-out Front-end for High-Energy Physics Experiments." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2017. http://hdl.handle.net/10281/158121.

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Le ricerche e le scoperte fatte nell'ambito della fisica sono fortemente dipendenti dall'efficienza e dall'affidabilità degli esperimenti ad alta energia. L'obiettivo principale è lo studio delle particelle che costituiscono la materia in termini di cariche elementari, loro interazioni e prodotti secondari che ne possono derivare. L'LHC (Large Hadron Collider) lavora al CERN ogni giorno con l’obiettivo di scoprire nuovi dettagli su particelle cariche come neutroni e Bosoni di Higgs. Queste sono generate e accelerate all’interno dell’LHC e vengono rilevate da opportuni detector organizzati in u
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Riceputi, Elisa (ORCID:0000-0002-0542-553X). "Design and Test of Imaging and Particle Detection Microelectronic System for Frontier Research Applications." Doctoral thesis, Università degli studi di Bergamo, 2018. http://hdl.handle.net/10446/105286.

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Over the last decades, the use of CMOS integrated circuits has largely diffused in many different fields and, in particular, in the readout of radiation detectors. Among the advantages of an integrated CMOS technology, high integration density, capability of handling large data rates, small form factor and last but not least, high radiation resistance are crucial to meet the demanding specifications of modern physics experiments using high granularity detectors. In a well studied realization of an analog readout channel for a radiation detector, three foundamentals steps are needed: - 1 - ch
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CAGLIERO, ROBERTO. "Macro instrumented indentation test for structural materials: experimental and numerical methods." Doctoral thesis, Politecnico di Torino, 2016. http://hdl.handle.net/11583/2641542.

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La prova di penetrazione strumentata è stata recentemente proposta per la misura delle proprietà meccaniche di materiali metallici e ceramici, micro e nano-strutturati, mediante campioni di piccole dimensioni. La ISO 14577 specifica il metodo di prova per ricavare il modulo elastico e la durezza Vickers di penetrazione per il campo di misura macro (forze > 2 N). Tale campo, tuttora parzialmente inesplorato, permette di ricavare le proprietà meccaniche massive dei materiali perché la dimensione dell’impronta è in genere maggiore delle caratteristiche microstrutturali. La riferibilità metrologic
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Gedin, Emanuel. "Hardness of showing hardness of the minimum circuit size problem." Thesis, KTH, Teoretisk datalogi, TCS, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-232218.

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The problem of finding the smallest size of a circuit that computes a given boolean function, usually referred to as the minimum circuit size problem (MCSP), has been studied for many years but it is still unknown whether or not the problem is NP-hard. With this in mind we study properties of potential reductions to this problem. The reductions in focus are local natural reductions which has been common in other well-known proofs of NP-hardness. We present a generalized method that shows the existence of an algorithm solving any problem which has a local natural reduction to MCSP. In particula
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Budík, Tomáš. "Zakružovačka na Hardox." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2014. http://www.nusl.cz/ntk/nusl-231242.

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This work describes the design of a dedicated three-rolls hydraulic bending for Hardox 500 without the possibility of bending sheet metal for the manufacture of pipes. The work will analyze the problem of proposed three-rolls bending, bending technology and creating of the pre-bending, the design of the adjusting hydraulic servo-cylinder, planetary gearboxes with hydraulic motors to drive the bottom rollers, a partial draft of the hydraulic circuit and the complete frame structure of bending machine with its covers.
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Click, Sally Evelyn. "Melvene Draheim Hardee music maker and dreamer of dreams /." Bowling Green, Ohio : Bowling Green State University, 2009. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=bgsu1237838404.

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Arana, Miranda Rodrigo, Ward Adrian Benavides, Takamura Ricardo Andrés Jiménez, Mori Willy Roosevelt Vásquez, and Rodríguez Pamela Carolina Vital. "Harina de grillo - Crickie." Bachelor's thesis, Universidad Peruana de Ciencias Aplicadas (UPC), 2020. http://hdl.handle.net/10757/652248.

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Las tendencias en la actualidad indican un aumento en el consumo de productos orgánicos debido a una mayor preocupación en las personas por cambiar su dieta y cuidar su salud. Aquello hace que las personas estén más dispuestas a buscar constantemente productos con un alto contenido nutricional y propiedades beneficiosas, así como a averiguar acerca de alternativas distintas a las tradicionales y estar dispuestos a desembolsar una mayor cantidad de dinero para adquirir dichos productos. A raíz de ello surge Crickie, dicho producto es una harina de grillo de alta calidad que es bastante útil par
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Jahnke, Carsten. "Das Silber des Meeres : Fang und Vertrieb von Ostseehering zwischen Norwegen und Italien (12.-16.Jahrhundert) /." Köln ; Weimar ; Wien : Böhlau, 2000. http://catalogue.bnf.fr/ark:/12148/cb388275261.

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Mamani, Choque Claudia. "Obtención de harina de tarwi." Universidad Mayor de San Andrés. Programa Cybertesis BOLIVIA, 2009. http://www.cybertesis.umsa.bo:8080/umsa/2009/mamani_cc/html/index-frames.html.

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El tarwi (Lupinus Mutabilis), es una leguminosa que posee un alto contenido de proteínas y grasas, puede jugar un rol importante en la alimentación humana, ya que en los últimos años se busca nuevas fuentes alimenticias que reúnan esas condiciones. Sin embargo el tarwi posee sustancias no proteicas como los alcaloides que impiden su consumo directo, siendo importante desde el punto de vista industrial realizar el desamargado. Si bien en Bolivia existen productos elaborados a base de tarwi, estos no utilizan la harina sino el grano desamargado de tarwi como tal incorporándolo luego a sus ingred
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Harder, Michael [Verfasser]. "Exchangeability of copulas / Michael Harder." Ulm : Universität Ulm, 2016. http://d-nb.info/1106329910/34.

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Livres sur le sujet "Hardne"

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Benn, Caroline. Keir Hardie. Hutchinson, 1992.

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Benn, Caroline. Keir Hardie. Edited by Winstone Ruth. Richard Cohen Books, 1997.

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Piet, Kruik, ed. Harde revolutie. Anthos, 2006.

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(Germany), Bundesarchiv. Nachlass Maximilian Harden. Bundesarchiv, 1985.

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Melville, Anne. The Hardie inheritance. Chivers, 1992.

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Vogels, Frida. De harde kern. G.A. van Oorschot, 1992.

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Genevoix, Maurice. La derni'ere harde. Flammarion, 1988.

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Murphey, Cecil B. Everybody loved Roger Harden. Heartsong Presents, 2008.

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Ryder, Joanne. Hardie Gramatky's Little Toot. Platt & Munk, 1988.

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Murphey, Cecil. Everybody loved Roger Harden. Heartsong Presents, 2008.

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Chapitres de livres sur le sujet "Hardne"

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Clarke, Thomas. "James Hardie." In International Corporate Governance. Routledge, 2017. http://dx.doi.org/10.4324/9781315749990-21.

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Coster, Nicole. "Harde buiken." In Kleine Kwalen en alledaagse klachten bij zwangeren. Bohn Stafleu van Loghum, 2019. http://dx.doi.org/10.1007/978-90-368-2407-1_22.

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Coster, Nicole. "Harde buiken." In Kleine Kwalen en alledaagse klachten bij zwangeren. BSL Media & Learning, 2025. https://doi.org/10.1007/978-90-368-3107-9_40.

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Bhaduri, Amit. "Hardness." In Mechanical Properties and Working of Metals and Alloys. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-7209-3_3.

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Peregrine, Peter N. "Harder." In Encyclopedia of Prehistory. Springer US, 2001. http://dx.doi.org/10.1007/978-1-4615-0523-5_20.

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Weik, Martin H. "hardened." In Computer Science and Communications Dictionary. Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_8211.

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Weik, Martin H. "hardkey." In Computer Science and Communications Dictionary. Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_8219.

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Weik, Martin H. "hardness." In Computer Science and Communications Dictionary. Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_8222.

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Webb, Benjamin L. J., David Holmes, Chun Li, Jin Z. Zhang, and Matthew T. Lloyd. "Hardness." In Encyclopedia of Nanotechnology. Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-90-481-9751-4_100282.

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Brown, Roger. "Hardness." In Physical Test Methods for Elastomers. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-66727-0_9.

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Actes de conférences sur le sujet "Hardne"

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Smith, Ali, and Carlo Spinelli. "Surface Hard Zone Phenomenon in TMCP Line Pipes for Sour Service: a State of the Art Review." In CORROSION 2021. AMPP, 2021. https://doi.org/10.5006/c2021-16563.

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Abstract Carbon steel line pipes for sour service are required to exhibit hardness levels less than 250 HV10. The hardness of the inner pipe surface is especially critical, since sulphide stress cracking (SSC) may initiate at hardened surfaces. In recent years, high profile failures in sour environments were attributed to the presence of identified hard zones on TMCP pipe inner surfaces, and located far from welds. To help define the SSC limits of such material it is critical to know how these areas form. Based on these considerations, the European Pipeline Research Group has launched at the e
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Nambu, Koichiro, and Ryuji Kunimatsu. "Surface Modification of Copper by Resin Particle Peening Treatment." In IFHTSE 2024. ASM International, 2024. http://dx.doi.org/10.31399/asm.cp.ifhtse2024p0297.

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Abstract Copper is expected to be increasingly used in electric vehicle components because of its high electrical and thermal conductivity. On the other hand, copper has the disadvantage of low fatigue strength compared to structural members such as steel and aluminum alloys. Therefore, the peening treatment is used in this study to increase the strength of copper. However, the projectile used in conventional peening treatments is much harder than copper, which may lead to deterioration of surface properties. Therefore, we decided to use a resin particle peening treatment that uses soft resin
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Specht, Fred R. "Materials Selection for Induction Hardening Processes." In HT 2013, edited by B. Lynn Ferguson. ASM International, 2013. https://doi.org/10.31399/asm.cp.ht2013p0129.

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Abstract This paper examines the critical role of material selection in the performance of induction-hardened components such as shafts, axles, pins, and gears. The author discusses how material choices impact raw material costs and manufacturing processes, including machining, grinding, and drilling. The paper explores how carbon content fundamentally determines the maximum obtainable hardness in steels, with a detailed analysis of commonly used grades such as 1045, 1050, 1144, and various alloy steels. Key considerations for engineers include applied load characteristics, desired mechanical
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Goyanes, Frank, Kevin Marsden, and Kenneth Reppert. "MAXIMIZING DEPTH OF HARDNESS OF CONVENTIONALLY HARDENED 3%CR FORGED STEEL WORK ROLLS THROUGH OPTIMIZATION OF CHEMISTRY, AUSTENITIZATION, AND QUENCHING." In 42º Seminário de Laminação, Processos e Produtos Laminados e Revestidos. Editora Blucher, 2005. https://doi.org/10.5151/2594-5297-2004-13263-0074.

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Crump, H. M., and Stefan Papenfuss. "Utilization of Magnetic Flux Leakage Inspection Pigs for Hard Spot Detection and Repair." In CORROSION 1991. NACE International, 1991. https://doi.org/10.5006/c1991-91366.

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Abstract The conscientious pipeline operator must monitor many aspects of operational pipeline deterioration. Additionally, some operators must deal with pipelines containing manufacturing defects known as hard spots. Under certain conditions hard spots may crack and fail. A magnetic flux leakage tool readily detects regions of elevated hardness (hard spots) in line pipe. Hard spots may be evaluated with a hardness tester and gauss meter. Repair of hard spots can be accomplished by pipe replacement or the installation of full encirclement split sleeves. By reliable detection of hard spots with
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Miura, Yasufumi, Kenji Kako, Yuichi Miyahara, and Masaru Sato. "Effects of Plastic Strain and Stress Distribution on SCC Initiation in High Temperature Water." In CORROSION 2013. NACE International, 2013. https://doi.org/10.5006/c2013-02442.

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Abstract Stress corrosion cracking (SCC) has been occurred in boiling water reactor (BWR) components, such as reactor core shrouds and primary loop recirculation (PLR) pipes made of L-grade austenitic stainless steels, which are not thermally sensitized. SCC of reactor core shrouds and PLR pipes is generally initiated on work hardened surfaces. Therefore it is important to clarify the effect of work hardened surface layer on SCC initiation behavior. In this study, SCC initiation tests, x-ray stress measurements, hardness tests, and optical microscope observations were carried out in order to e
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Li, Zhichao, Jason Fetty, Justin Sims, B. Ferguson, and Treven Baker. "Minimizing Distortion During High Pressure Gas Quenching Processes." In Vertical Flight Society 74th Annual Forum & Technology Display. The Vertical Flight Society, 2018. http://dx.doi.org/10.4050/f-0074-2018-12801.

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Steel components, such as gears for rotorcraft transmissions, are quench hardened to improve the hardness, strength, and fatigue performance. During a quench hardening process, components are heated to form austenite, followed by quenching (either gas or liquid) to transform to hard martensite. With High Pressure Gas Quenching (HPGQ), parts are rapidly cooled by using a pressurized gas such as Nitrogen or Helium. Hardening is a highly nonlinear process due to the plastic deformation caused by thermal stresses and phase transformations, both of which lead to distortion. Reducing distortion caus
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Luo, XiaoTao, ZengHui Du, and ChangJiu Li. "Key Factors Governing the Deposition of Hard Phases When Cold Spraying Metallic Matrix with Mechanically Mixed Powders." In ITSC 2025. ASM International, 2025. https://doi.org/10.31399/asm.cp.itsc2025p0484.

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Abstract Cold spraying mixed metal-ceramic powders creates metallic matrix composites, but typically achieves low hard phase content in deposits. We investigated this challenge using various hard phases (SiC, diamond, WC, W) with Al and Cu metal matrices. Our results reveal that density difference—not hardness—between components primarily determines deposition efficiency. When using Al with similarly dense materials (diamond, SiC), deposit compositions remained comparable despite hardness variations. However, mixing Al with 50 vol.% of WC or W produced deposits containing 57.9 vol.% and 79.8 v
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Shimamura, Junji, Itaru Samusawa, Daichi Izumi, and Nobuyuki Ishikawa. "SSC Resistant X65 UOE Linepipe for Severe Sour Environment." In CONFERENCE 2025. AMPP, 2025. https://doi.org/10.5006/c2025-00403.

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Linepipe steels need to have a sufficient resistance to sulfide stress cracking (SSC) in a wet sour environment containing H2S gas. In 2013, actual sour gas pipeline failure occurred due to SSC under high H2S partial pressure condition over 1bar. One of the possible root causes of SSC was assumed to be a formation of hard zone in the steel surface. By improving cooling homogeneity as well as surface cooling rate control, homogeneous granular bainite (GB) microstructure is obtained, resulting in stable low surface hardness in the pipe surface. Lowering the surface hardness less than 250 HV0.1 a
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Schultz, Brian, and Charles Carlin. "Metallic Abrasives for Surface Preparation." In CORROSION 1994. NACE International, 1994. https://doi.org/10.5006/c1994-94625.

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Abstract Specimens of mild steel plate were cleaned to near-white by air blasting with different types, sizes and hardnesses of steel abrasives. The cleaning rate increased as the abrasive hardness increased, and the adhesion between a zinc coating and the blast-cleaned surface improved. For abrasives of a given size, both cleaning rate and adhesion increased as surface profile measurements Ra, Rmax, and Rz increased. For a given hardness, smaller abrasives cleaned more rapidly than did larger abrasives. Tests in a centrifugal blast machine demonstrated the superior abrasiveness of a harder ab
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Rapports d'organisations sur le sujet "Hardne"

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Larkin, Ariana Kayla. Rad-Hard SBC: Radiation-Hardened Single-Board Computer. Office of Scientific and Technical Information (OSTI), 2019. http://dx.doi.org/10.2172/1575755.

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Walsh, Wendy. Hard times made harder: struggling caregivers and child neglect. University of New Hampshire Libraries, 2010. http://dx.doi.org/10.34051/p/2020.125.

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Banian, David. From Hard to Harder: Iraq Retrograde Lessons for Afghanistan. Defense Technical Information Center, 2013. http://dx.doi.org/10.21236/ada592648.

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Farmer, Matthew S. Afghan Tortoise, Korean Hare: Advising in Hard and Soft Cultures. Defense Technical Information Center, 2010. http://dx.doi.org/10.21236/ada539027.

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Krishna, Shree, and Ravi Krishnamurthy. PR-328-183838-R01 Hard Spot NDE Verification and Validation - Phase II. Pipeline Research Council International, Inc. (PRCI), 2019. http://dx.doi.org/10.55274/r0011634.

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The presence of hard spots, a localized confined region of relatively higher hardness, cause pipelines to be prone to crack initiation and hydrogen embrittlement. Early detection and mitigation of hard spots following plate manufacturing are essential to mitigation of any hard spot-related failures. This issue of early detection of hard spots and the related verification and validation of applicable technologies are the primary focus of PRCI project NDE 4-11. PRCI project NDE 4-11 consisted of two phases: Phase I, "Review of Existing and Emerging Technologies for Hard Spot Detection" (2017-201
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Ginn, B. J. L51650 The Significance of Local Hard Zones on the Outside of Pipeline Girth Welds-Further Studies. Pipeline Research Council International, Inc. (PRCI), 1991. http://dx.doi.org/10.55274/r0010310.

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In an earlier project it was demonstrated that it may be permissible to relax the NACE MR-01-75 (2) hardness restriction of 22HRC maximum for regions of a pipeline girth weld that are not in direct contact with H2S-containing environments. The objective of this report is to provide quantitative data on which permissible relaxations in hardness limits for external local hard zones in pipelines designed for sour service can be made. This report presents additional data to supplement that obtained in a previous PRCI project conducted at TWI. Further pipe materials with differing pipe wall thickne
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Siewert, T. A., and A. Tomer. Microstructure, composition, and hardness of Rockwell C Hardness blocks. National Institute of Standards and Technology, 1991. http://dx.doi.org/10.6028/nist.ir.3960.

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Pargeter, Richard. PR-164-164504-R01 Suitability of Line Pipe Materials for Sour Service. Pipeline Research Council International, Inc. (PRCI), 2018. http://dx.doi.org/10.55274/r0011509.

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It is understood that this work relates to issues arising from a failure in a pipe carrying wet sour gas, in which cracking developed from a shallow hard feature, 1 to 3mm deep and about 50mm in diameter. The overall aim is to prevent such failures, and samples of material from this program, selected on the basis of the work reported here, have been subjected to sour testing under PRCI project SSC-2-14, and there is also a link to PRCI project NDE-4-11, which is exploring non-destructive techniques for the detection of local hard regions. This report presents the techniques used in the assessm
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Krishna, Shree, and Ravi Krishnamurthy. PR-328-173802-R01 Hard Spot NDE Evaluation. Pipeline Research Council International, Inc. (PRCI), 2018. http://dx.doi.org/10.55274/r0011542.

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The presence of hard spot in pipelines, a localized confined region of relatively higher hardness, are prone to crack initiation and hydrogen embrittlement. Early detection of hard spots before it can be an integrity threat is an essential part of integrity management plan for pipelines susceptible to hard spot related failures. Electromagnetic principles and its dependence on the microstructure, heat treatment and chemistry are used effectively for hard spots characterization. The ability to detect shallow hard spots is essential for thermo-mechanically heat treated steel. It is unclear wheth
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VAN Lint, V. A., E. A. Burke, L. D. Cotter, G. C. Morris, and Jr. Nuclear Hardness Management. Defense Technical Information Center, 1986. http://dx.doi.org/10.21236/ada188193.

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