Relevant bibliographies by topics / Interstitial free steel

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Interstitial free steel'

Author: Grafiati
Published: 4 June 2021
Last updated: 14 February 2022

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Journal articles on the topic "Interstitial free steel"

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Martı́nez, V. J., J. I. Verdeja, and J. A. Pero-Sanz. "Interstitial free steel." Materials Characterization 46, no. 1 (January 2001): 45–53. http://dx.doi.org/10.1016/s1044-5803(00)00092-9.

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Hashimoto, Shunichi. "Mechanical Property of Interstitial-Free Steel." Materia Japan 33, no. 1 (1994): 41–43. http://dx.doi.org/10.2320/materia.33.41.

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Campos, C. A., M. P. Guerrero-Mata, R. Colás, and R. Garza. "Weldability of Galvannealed Interstitial Free Steel." ISIJ International 42, no. 8 (2002): 876–81. http://dx.doi.org/10.2355/isijinternational.42.876.

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Dutta, Krishna, and K. K. Ray. "Ratcheting strain in interstitial free steel." Materials Science and Engineering: A 575 (July 2013): 127–35. http://dx.doi.org/10.1016/j.msea.2013.02.052.

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Caul, Mark, and Valerie Randle. "Microtexture analysis of interstitial-free steel." Materials Characterization 38, no. 3 (March 1997): 155–63. http://dx.doi.org/10.1016/s1044-5803(97)00038-7.

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Han, Fu Tao, Zuo Cheng Wang, Cai Nian Jing, and Wen Ping Zhang. "Precipitation Behavior of Warm-Rolled Ti-Stabilized Interstitial-Free (IF) Steel Sheets." Key Engineering Materials 353-358 (September 2007): 1653–56. http://dx.doi.org/10.4028/www.scientific.net/kem.353-358.1653.

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Precipitates have great influence on the recrystallization, texture evolution and thus the final mechanical properties of the Interstitial-Free (IF) steel sheets, however, very few studies have dealt with the precipitation behavior of IF steels warm rolled in ferrite region. In the present work, the precipitate characteristics (type, morphology, size and amount) of warm-rolled ordinary Ti-stabilized Interstitial-Free (Ti-IF) steel and p-added high-strength Ti-IF steel were investigated by Transmission Electron Microscope (TEM) and Energy Dispersion Spectrometer (EDS). The results show that most precipitates in warm-rolled ordinary Ti-IF steels are TiN, TiS, Ti4C2S2 and TiC. Besides these precipitates, a great amount of FeTiP precipitates exist in warm-rolled P-added high-strength Ti-IF steel. The precipitation of FeTiP retards the migration of grain boundary in the recrystallization annealing, so the {111} texture and thus deep drawability of warm-rolled high-strength Ti-IF steel is deteriorated.
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Liu, P. W., and J. K. Wu. "Hydrogen susceptibility of an interstitial free steel." Materials Letters 57, no. 5-6 (January 2003): 1224–28. http://dx.doi.org/10.1016/s0167-577x(02)00962-x.

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Abbod, M. F., M. Mahfouf, C. M. Sellars, and D. A. Linkens. "Hybrid Modelling of Interstitial Free (IF) Steel." IFAC Proceedings Volumes 39, no. 22 (September 2006): 11–16. http://dx.doi.org/10.1016/s1474-6670(17)30106-4.

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Khatirkar, Rajesh, Basavaraj Vadavadagi, Satish Kumar Shekhawat, Arunansu Haldar, and Indradev Samajdar. "Orientation Dependent Recovery in Interstitial Free Steel." ISIJ International 52, no. 5 (2012): 884–93. http://dx.doi.org/10.2355/isijinternational.52.884.

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Gupta, Amit Kumar, and D. Ravi Kumar. "Formability of galvanized interstitial-free steel sheets." Journal of Materials Processing Technology 172, no. 2 (February 2006): 225–37. http://dx.doi.org/10.1016/j.jmatprotec.2005.10.016.

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Dissertations / Theses on the topic "Interstitial free steel"

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Boyle, Kevin Patrick. "Cold work embrittlement of interstitial-free sheet steel /." *McMaster only, 2001.

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Quadir, Md Zakaria. "A microstructural study of warm rolled interstitial free steel." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2003. http://hub.hku.hk/bib/B31244683.

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Fakhrabadi, Gholam Hossein Akbari. "Microstructural evolution during warm working of interstitial free (IF) steel." Thesis, University of Sheffield, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.265917.

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Tamimi, Saeed. "Asymmetric rolling of 5182 aluminium alloy and interstitial free steel sheets." Doctoral thesis, Universidade de Aveiro, 2013. http://hdl.handle.net/10773/14086.

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Doutoramento em Engenharia Mecânica
This Ph.D. research focuses on asymmetric rolling (ASR), as an alternative method for improving mechanical responses of aluminium-magnesium alloy and interstitial free (IF) steel regarding industrial requirements. Aluminium alloys are attractive materials in various industries due to their appropriate properties such as low density and corrosion resistance; however, their low formability has limited their applications. As formability of aluminium alloys can be improved through texture development, part of this dissertation is dedicated to producing the desired crystallographic texture with the ASR process. Two types of ASR (i.e. reverse and continuous asymmetric rolling) were investigated. The impact of shear deformation imposed by ASR processes on developing the desirable texture and consequently on mechanical behaviours was observed. The developed shear texture increased the normal and also planar anisotropy. Texture evolution during plastic deformation as well as induced mechanical behaviour were simulated using the “self-consistent” and Taylor models. Interstitial free (IF) steel was the second material selected in this dissertation. Since IF steel is one of the most often used materials in automotive industries it was chosen to investigate the effect of shear deformation through ASR on its properties. Two types of reverse and continuous asymmetric rolling were carried out to deform IF steel sheets. The results of optical microscopy and atomic force microscopy observations showed no significant difference between the grains’ morphology of asymmetric and conventionally rolled samples, whereas the obtained results of transmission electron microscopy indicated that fine and equiaxed dislocation cells were formed through the asymmetric rolling process. This structure is due to imposed shear deformation during the ASR process. Furthermore, the mechanical behaviour of deformed and annealed sheets was evaluated through uniaxial tensile tests. Results showed that at low thickness reductions (18%) the asymmetric rolled sample presented higher stress than that of the conventionally rolled sheet; while for higher thickness reductions (60%) the trend was reversed. The texture analyses indicated that intense rolling texture components which developed through 60% thickness reduction of conventional rolling cause a relatively higher stress; on the contrary the fine structure resulting from ASR appears to be the source of higher stress observed after pre-deformation of 18%.
A presente tese de doutoramento foi dedicada ao estudo da laminagem assimétrica (ASR) como técnica alternativa para a melhoria das propriedades mecânicas das ligas de alumínio-magnésio e aço IF durante processos industriais de conformação plástica. As ligas de alumínio são bastante atrativas devido às suas propriedades específicas, nomeadamente baixa densidade e resistência à corrosão. No entanto, a sua baixa formabilidade limita o seu campo de aplicação. A formabilidade das ligas de alumínio pode ser melhorada através da alteração da textura cristalográfica. Assim, parte desta dissertação é dedicada ao desenvolvimento de uma textura compatível com formabilidade acrescida, através da técnica ASR. A ASR foi conduzida de duas formas distintas designadas ASR – contínua e ASR – com trajetória invertida. O impacto da deformação de corte imposta pela ASR no desenvolvimento da textura e comportamento mecânico pretendidos foi analisado em detalhe. A textura cristalográfica desenvolvida produz o aumento da anisotropia planar. A evolução da textura cristalográfica foi simulada com recurso aos modelos “self-consistent” e Taylor. O aço IF foi o segundo material estudado. Dada a sua vasta utilização na indústria automóvel pretende-se investigar o efeito da deformação de corte desenvolvida durante a ASR nas suas propriedades micro e macro com o intuito de melhorar a resposta a solicitações mecânicas. No aço IF foram também estudadas as duas condições de ASR anteriormente referidas. De acordo com as observações realizadas por microscopia ótica e microscopia de força de atómica as morfologias dos grãos obtidas durante o processo ASR e laminagem convencional são semelhantes. As observações realizadas por microscopia eletrónica de transmissão revelaram que durante a ASR se formam nano células de deslocações com forma equiaxial. A estrutura desenvolvida deverá estar associada à deformação de corte imposta durante a ASR. O comportamento mecânico do aço recozido e deformado foi avaliado através de ensaios de tração uniaxial. Para valores de redução de espessura da ordem dos 18% os provetes pré-deformados por ASR apresentam valores de tensão mais elevados do que os provetes pré-deformados em laminagem convencional. Para reduções de espessura da ordem dos 60% verificaram-se resultados opostos. A análise de textura indicou que o componente de laminagem se desenvolve de forma intensa para reduções de 60%, pelo contrário, a estrutura refinada resultante da ASR parece estar na origem do valor elevado de tensão observado após pré-deformação de 18%.
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Cantergiani, Elisa. "Mechanical Properties of Functionally Graded Materials: Carbon Gradient inside Interstitial Free Steel." Thesis, Université d'Ottawa / University of Ottawa, 2016. http://hdl.handle.net/10393/34314.

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In the last decade aluminium started to be considered as an alternative to steel to produce car body panels, especially considering the strict demands to decrease fuel consumption which require vehicle weight reduction. In order to keep their leading role, steel companies have to produce stronger materials to reduce the thickness of steel sheets used in cars and are now considering non-conventional steel making processes. The purpose of this PhD research was to investigate the possibility of strengthening thin sheets of interstitial free steel (IF steel) by using carbon rich films deposited on the steel surface using Physical Vapour Deposition (PVD). These films then act as a carbon reservoir which upon heat treatment release carbon in the IF steel and strengthen it. Coated tensile coupons 200 μm thick were annealed at different temperatures under high vacuum. Tensile tests show that a 100 MPa increase in yield stress can be obtained after annealing at 430 ˚C for 1h in high vacuum. The effects of annealing environment, film thickness and prestrain on carbon diffusion were also investigated. It was shown that carbon diffusion from the film to the IF steel substrate is limited by the film transformation into cementite at temperatures equal or higher than 530 ˚C. All tensile curves showed a plastic instability known as Lüders plateau, which is undesirable as it results in surface markings on the deformed part. FEM analyses were performed to find ways to suppress the Lüders plateau, proving that increasing strain-hardening or having a graded instead of uniform carbon content through thickness can suppress or limit Lüdering. The possibility of creating a through thickness gradient of microstructure was investigated as it could suppress Lüdering and result in higher strength. For these tests, FeC coated coupons were induction heated to 820 ˚C followed by water quenching. After only 2 minutes of heat treatment the yield stress was increased by 250 MPa and the ultimate tensile strength reached 400 MPa. With an annealing of 4 minutes, the Lüders plateau was fully suppressed and the microstructure consisted in ferrite grains and TiC nanocarbides. This work demonstrates that FeC films can be effectively used to diffuse carbon into steel and that a significant increase in mechanical properties can be obtained after a heat treatment of only a few minutes.
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Browning, Anne E. "Experimental investigation of stress transients in interstitial-free steel and 70/30 brass /." The Ohio State University, 1987. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487330761219273.

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Prentice, Catherine. "Effect of strain rate history on warm deformation of Interstitial Free (IF) steel." Thesis, University of Sheffield, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.392739.

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Ioannou, John. "Mechanical behaviour and corrosion of interstitial-free steel-aluminium alloy self-piercing riveted joints." Thesis, University of Hertfordshire, 2010. http://hdl.handle.net/2299/4611.

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The overall aim of the project is to examine the rivetability of new steels and to investigate the mechanical behaviour of self-piercing riveted (SPR) aluminium-steel hybrid structures for automotive applications. Interstitial Free Steel (I.F.) of 1.2 mm thickness was joined to Aluminium 5754 of 2 mm thickness and Aluminium 5182 (coated and uncoated) of 1.5 mm thickness. The work began by initially conducting a quality assessment of the various joints that were produced in order to establish the optimum conditions for joining the various sample combinations to be investigated. A relationship was established between the head height and the interlock distance on the one hand and between the interlock distance and the lap shear strength of samples. It was also established that for higher lap shear strength, it is preferable to use the stronger material (I.F. steel) as the pierced sheet and the weaker material (5182) as the locked sheet. However, the results showed that this rule could not be applied for predicting the fatigue behaviour of SPR joints between I.F. steel and 5182. An investigation of the fatigue failure mechanisms was undertaken and possible reasons for this behaviour are discussed. The influence of fretting was also investigated by using scanning electron microscopy and reported. The fatigue behaviour of Dual Phase (DP600 + 5182) SPR joints was investigated. It was observed that the position of fatigue crack initiation differed with the maximum applied load. An explanation for this observation was provided by considering the failure mechanism of the samples under different load levels. The study also showed how fretting led to the initiation of fatigue cracks. The corrosion behaviour of (I.F. steel + 5182) samples was investigated by conducting tests in a salt spray according to the ASTM B117-97 standard. Three types of corrosion were observed; galvanic corrosion, differential aeration corrosion, uniform corrosion and are discussed. The weight change with time was monitored and was used to describe the corrosion behaviour. The lap shear strength was measured as a function of corrosion time. The presence of the corrosion product within the overlap was observed to greatly influence the lap shear strength behaviour. A further study was carried out in order to examine the influence of the individual alloys on the corrosion of the SPR samples. In this part the potential influence of pulse current treatment on corrosion was also investigated and was observed to increase greatly the corrosion resistance of the I.F. steel. Principal findings for this observation are also provided.
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Shen, Kai, and 沈凱. "A transmission electron microscopy study of the development of rollingdeformation microstructures in an interstitial free steel." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2004. http://hub.hku.hk/bib/B31245894.

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Starling, James N. A. "The evolution of solute carbon during continuous annealing of interstitial-free steel and its effects on bake hardenability." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0002/MQ28257.pdf.

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Books on the topic "Interstitial free steel"

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International, Symposium on Interstitial Free Steel Sheet: Processing Fabrication and Properties (1991 Ottawa Ont ). Interstitial free steel sheet: Processing, fabrication and properties : proceedings of the international symposium, August 19-20, 1991, Ottawa, Ontario, Canada. Montréal: Canadian Institute of Mining, Metallurgy and Petroleum, 1991.

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Interstitial Free Steel Sheet: Processing, Fabrication and Properties. Iron & Steel Society, 1991.

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Book chapters on the topic "Interstitial free steel"

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Bui, Anh-Hoa, Cao-Son Nguyen, and Thi-Thu-Hien Tran. "Hardening Effect of the Interstitial Free Steel Due to Cold Rolling." In Proceedings of the 2nd Annual International Conference on Material, Machines and Methods for Sustainable Development (MMMS2020), 113–17. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-69610-8_15.

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Han, Fu Tao, Zuo Cheng Wang, Cai Nian Jing, and Wen Ping Zhang. "Precipitation Behavior of Warm-Rolled Ti-Stabilized Interstitial-Free (IF) Steel Sheets." In Key Engineering Materials, 1653–56. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-456-1.1653.

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Hansen, Niels, and X. Huang. "Structural Refinement of Interstitial Free (IF) Steel by Deformation and Phase Transformation." In Materials Science Forum, 37–42. Stafa: Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-960-1.37.

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Reis, Ana Carmen C., Leo Kestens, and Yvan Houbaert. "Lamellar Subdivision during Accumulative Roll Bonding of a Titanium Interstitial Free Steel." In Materials Science Forum, 351–56. Stafa: Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-975-x.351.

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Gazder, Azdiar A., Christopher H. J. Davies, and Elena V. Pereloma. "The Hall-Petch Relationship in Interstitial-Free Steel Processed by Equal Channel Angular Extrusion." In Microstructure and Texture in Steels, 451–56. London: Springer London, 2009. http://dx.doi.org/10.1007/978-1-84882-454-6_30.

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Jing, Cai Nian, Zuo Cheng Wang, Fu Tao Han, Wen Ping Zhang, and Yan Hong Yi. "Research on the Precipitates in Warm-Rolled Ti-Bearing Interstitial-Free Steel Sheets." In Experimental Mechanics in Nano and Biotechnology, 1291–94. Stafa: Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-415-4.1291.

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Jiang, Q. W., E. B. Zhao, J. G. Zhang, Y. Chen, Gang Wang, X. G. Zhang, and L. Zuo. "Texture, Microstructure and Second-Phase Particles in a Ti+P Interstitial Free (IF) Steel." In Materials Science Forum, 423–28. Stafa: Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-975-x.423.

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Kim, S. I., Shi Hoon Choi, and Yeon Chul Yoo. "Influence of Boron on Mechanical Properties and Microstructures of Hot-Rolled Interstitial Free Steel." In Materials Science Forum, 537–42. Stafa: Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-975-x.537.

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Zhang, Siyuan, Yanping Bao, Chaojie Zhang, Lu Lin, and Wei Xiao. "Influence of Ruhrstahl Heraeus Refining Process on Aluminum Consumption in Interstitial-Free Steel Smelting Process." In The Minerals, Metals & Materials Series, 311–22. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-51340-9_31.

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He, Chang Shu, Yu Dong Zhang, X. Zhao, L. Zuo, and Claude Esling. "Characteristics of Recrystallization Texture Evolution in High Magnetic Field for Interstitial Free (IF) Steel Sheet." In Materials Science Forum, 465–70. Stafa: Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-975-x.465.

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Conference papers on the topic "Interstitial free steel"

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Bressan, José Divo, Luciano Pessanha Moreira, and Maria Carolina dos Santos Freitas. "Forming limit strains of interstitial free-IF steel sheet." In ESAFORM 2016: Proceedings of the 19th International ESAFORM Conference on Material Forming. Author(s), 2016. http://dx.doi.org/10.1063/1.4963640.

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bernardelli, euclides alexandre, Marcio Mafra, Felipe Augusto de Aguiar Possoli, Sabrina Rodrigues Meira, and Paulo César Borges. "OBTAINING NITROGEN MARTENSITE IN INTERSTITIAL FREE STEEL ENRICHED WITH CHROME." In Congresso Brasileiro de Engenharia de Fabricação. ABCM, 2017. http://dx.doi.org/10.26678/abcm.cobef2017.cof2017-0885.

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Maity, A., A. Pathania, V. Singh, S. Suresh, R. Khullar, S. Sarkar, R. Kumar, and S. Mahashabde. "Analysis of Phosphorus Band in Interstitial-Free High-Strength Steel." In AISTech2019. AIST, 2019. http://dx.doi.org/10.33313/377/214.

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Wang, Z. F., L. X. Wu, S. B. Zhou, R. D. Han, and H. E. Huang. "Effect of Boron on Microstructure and Texture of Interstitial Free Steel." In The 2nd International Conference on Advanced High Strength Steel and Press Hardening (ICHSU 2015). WORLD SCIENTIFIC, 2016. http://dx.doi.org/10.1142/9789813140622_0027.

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Qu, Jiahui, and Jinqu Liu. "Effect of Cold-Rolling and Annealing on Microstructure and Texture of Interstitial Free Steel." In 2014 International Conference on Materials Science and Energy Engineering (CMSEE 2014). WORLD SCIENTIFIC, 2015. http://dx.doi.org/10.1142/9789814678971_0041.

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de Melo Pereira, Alexandre, Luciano Pessanha Moreira, and Marcelo Costa Cardoso. "Digital Image Correlation Technique Applied to the Study of the Plastic Behavior of an Interstitial Free Steel." In 23rd SAE Brasil International Congress and Display. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2014. http://dx.doi.org/10.4271/2014-36-0398.

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Miranda, W. J., J. R. G. Carneiro, and P. P. Brito. "Formability Evaluation of Galvannealed (GA), Hot-Dip Pure Zn Galvanized (GI), Electrogalvanized (EG) and Electrogalvanized Prephosphated (EGP) Interstitial Free Steelaluation." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-79927.

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The formability of galvannealed (GA), hot-dip pure Zn galvanized (GI), electrogalvanized (EG), and electrogalvanized prephosphated (EGP) interstitial free (IF) steel sheets was studied. The phases in the Fe-Zn system were characterized using electronic and optic microscopy as well as X-ray diffraction. Behavior of the Zn coating when subjected to stretching, bending and drawing was also assessed. Comparison between the performance of large-scale industrial production of GA, GI, EG and EGP coated steels was made possible. The GI steels presented the best results, due to the predominantly basal crystallographic texture, lower friction coefficient with commercial oils and better press-forming response in the pressure range of 135-180kgf/cm2. It was also observed that the phosphate present in the EGP steels protected the structure of the EG coating, reducing the friction coefficient. Lastly, differences between the coatings, regarding stretching, bending and drawing, were confirmed.
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Jackson, Joshua E., Angelique N. Lasseigne-Jackson, Francisco J. Sanchez, David L. Olson, and Brajendra Mishra. "The Influence of Magnetization on Corrosion in Pipeline Steels." In 2006 International Pipeline Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/ipc2006-10615.

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Laboratory measurements have shown a strong increase on the hydrogen content in steel after electrochemical hydrogen charging with a two Tesla applied magnetic field and a serious increase in hydrogen-induced cracking and pitting. Cold work combining with the effect of applied magnetic field creates a material more crack sensitive to increased hydrogen content. A derivation based on the use of the Helmholtz Free Energy is applied to examine the thermodynamic effect of magnetization on hydrogen content. The effect of magnetization on the electronic spin configurations, magnetostriction (directional strain induced in steel from an applied magnetic field), and interstitial solute-induced strain are considered. A possible kinetic model for enhanced hydrogen ion pickup and corrosion based on surface effects associated with the Gouy-Chapman Layer and the Helmholtz Double Layer is examined. Disturbance of these layers acts to enhance hydrogen transport to the surface. The high applied and remanent magnetic fields and large cathodic protection currents returning in the pipe simultaneously may disturb these surface layers, resulting in enhancement of both cathodic and anodic reactions.
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Jackson, Joshua E., Angelique N. Lasseigne-Jackson, David L. Olson, Brajendra Mishra, Meredith S. Heilig, and Jenny K. Collins. "The Effect of Magnetic Fields on Corrosion in Pipeline Steel." In ASME 2007 26th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2007. http://dx.doi.org/10.1115/omae2007-29560.

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Measurements performed in earlier research have indicated a strong effect of magnetization on hydrogen content (thermodynamics) as well as cracking, and pitting (kinetics) in pipeline steels as described in Sanchez (2005) and Sanchez et al. (2005). The effect of cold work, further increasing hydrogen content, cracking, and pitting, was also assessed. Theoretical descriptions of both thermodynamic and kinetic interpretations of the observed effect is described and correlated to observed results. There are two ways that electromagnetic current influences corrosion: (1) D/C currents (under applied or Remanent magnetic fields) and A/C electric currents (which create electromagnetic fields through Lenz’s Law) may influence magnetocorrosion as described in this paper, and (2) A/C currents also have the potential to strip the protective passive layer from materials and greatly accelerate corrosion. Electrochemical charging is currently being performed at varied magnetic field strengths to assess the nature of the observed influence of magnetization on both hydrogen content (thermodynamic) and cracking/pitting (kinetic), including the role of controlled-roll cold working. Naval and maritime use of A/C and D/C electric-powered systems including propulsion drives, servos, and controls, is increasing rapidly in sea-going operation and potential for stray currents is an increasing risk. Magnetic flux leakage inspection, using saturating magnetic fields, is widely used for reliable and accurate inspection of pipeline corrosion and wall thickness. Previous laboratory research shows a significant increase in both pipeline steel hydrogen content in steel and pitting and cracking after electrochemical hydrogen charging under an applied two Tesla magnetic field. Cold work was observed to further increase the observed effects. The thermodynamic auxiliary functions, using a derivation of Helmholtz free energy, are examined to assess the thermodynamic effects of magnetization on hydrogen content. The effect of magnetization on the thermodynamics of electron spin configurations, interstitial solute-induced strain, magnetostriction (directional strain induced in steel from an applied magnetic field) are considered. Kinetic interpretations of possible interactions with the Helmholtz Double (capacitor-like) Layer and the Gouy-Chapman (diffuse) layer that may lead to increased diffusion and thus to hydrogen supersaturation are described. Electrochemical impedance measurements are being performed to assess the influence of applied magnetic fields on the Helmholtz and Gouy-Chapman layers.
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Nourani, Mohamadreza, Hossein Aliverdilu, Hossein Monajati Zadeh, Hamid Khorsand, Ali Shokuhfar, and Abbas S. Milani. "A Study on the Formability of IF and Plain Carbon Mild Steels." In ASME 2010 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/detc2010-29173.

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Steel sheet metals are widely used in different industries due to their high strength, good weldability, availability, moderate cost, and the ability to form to complex 3D parts. The study of the formability of sheet metals is often done by means of Forming Limit Diagram (FLD) which presents the major and minor engineering strain thresholds under different deformation states. In this article, the formability parameters of three different steel sheet metals with the same thickness have been determined by uniaxial tension test and their FLDs have been produced by Hecker method: RRSt14O3, Zinc coated IF (Interstitial Free) steel and uncoated IF steel. Also the materials’ formability during the stamping process of a car door inner panel has been investigated as a case study to substitute the original design of raw material, coated IF steel, with a cheaper alternative. Among the tested materials to form the part, the uniaxial tension results showed that the formability parameters of uncoated IF steel was higher than the coated IF steel and the parameters of RRSt14O3 sheet metal was the lowest. The FLD of coated IF steel sheet was the highest (best formability). Differences among the formability parameters in uniaxial tension, the FLDs, and the stamping behavior of the part with different steel sheet metals have been explained by their surface roughnesses and the friction coefficients that affect the material flow during the FLD test as well as the stamping process.
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Reports on the topic "Interstitial free steel"

1

John T Bowker and Pierre Martin. AISI/DOE Technology Roadmap Program: Cold Work Embrittlement of Interstitial Free Steel. Office of Scientific and Technical Information (OSTI), October 2002. http://dx.doi.org/10.2172/805761.

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