Academic literature on the topic 'Cast-iron Cracking'

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Journal articles on the topic "Cast-iron Cracking"

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Romaniv, O. N., A. N. Tkach, T. Ya Yus'kiv, V. I. Ovchinnikov, and V. A. Sharkov. "Static cracking resistance of cast iron." Soviet Materials Science 24, no. 6 (1989): 563–69. http://dx.doi.org/10.1007/bf00728120.

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Kettler, A. J., and I. C. Goulter. "An analysis of pipe breakage in urban water distribution networks." Canadian Journal of Civil Engineering 12, no. 2 (June 1, 1985): 286–93. http://dx.doi.org/10.1139/l85-030.

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The rates of pipe breakage with increasing pipe diameter and times are investigated. Failure rates for cast-iron pipe are found to decrease with increasing diameter. Changes in pipe failure rates for the various modes of failures are examined in detail. Asbestos-cement and cast-iron pipe overall failure rates are found to increase with time, but for different reasons. Analysis of the modes of failure shows that joint failure is predominant for cast-iron pipe systems with bolted and universal joints whereas the predominant mode of failure for asbestos-cement pipe systems is circumferential cracking. Key words: asbestos cement, cast iron, cracking, diameter, failure rate, joint, regression analysis.
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da Silva, C. R. S., and M. Boccalini. "Thermal cracking of multicomponent white cast iron." Materials Science and Technology 21, no. 5 (May 2005): 565–73. http://dx.doi.org/10.1179/174328405x21012.

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Kopyciński, D., D. Siekaniec, A. Szczęsny, M. Sokolnicki, and A. Nowak. "The Althoff-Radtke Test Adapted for High Chromium Cast Iron." Archives of Foundry Engineering 16, no. 4 (December 1, 2016): 61–64. http://dx.doi.org/10.1515/afe-2016-0084.

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Abstract The paper presents results of the possibility of adapting the Althoff-Radtke test for High Chromium Cast Iron. The Althoff-Radtke test is a clump attempt used for steel. The Althoff-Radtke test has four different lengths of clamp which qualifies it as a test to quantitatively take into account different kinds of shrinkage ΔL. The length of the slot of the cracked corner and the length of each staple (50 - 350 mm) are the parameters tendency to cast cracks. Castings of white cast iron have a high tendency to hot cracking due to the large range of solidification temperatures, unfavorable kinetics parameters of shrinkage, and especially a lack of expansion before shrinkage. Shrinkage of high chromium white cast iron is similar to the shrinkage of cast steel, and is approximately 2%. Therefore it is important to test susceptibility to hot cracks. Research was carried out under industrial conditions. Four melts were performed, one of the initial chemical composition and the other three modified by different amounts of Fe-Ti, respectively, 0.25%, 0.5% and 0.75% Fe-Ti. The propensity for hot cracking was based on the observation of the dark surface in the corner of the sample. The study shows that the Althoff-Radtke test can be adapted to determine the tendency for hot cracking of high chromium cast iron. It should however be noted that the test results cannot be compared with those for other alloys.
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Kaczorowski, Jakub, Karol Jozwiak, and Marco Innocenti. "Cast Iron Casing Cracking Due to Chunky Graphite Formation." Journal of Failure Analysis and Prevention 13, no. 4 (May 15, 2013): 445–50. http://dx.doi.org/10.1007/s11668-013-9693-2.

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Tu, Xiaohui, Jun Quan Liu, Wei Li, and Jun Yi Su. "Corrosion Behavior of Chromium Cast Iron and Steel in Hot Concentrated Alkaline." Materials Science Forum 510-511 (March 2006): 174–77. http://dx.doi.org/10.4028/www.scientific.net/msf.510-511.174.

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Abstract. Hot concentrated alkaline corrosion and wearing corrosion environment exists in alumina metallurgical industry. Iron and steel materials with outstanding alkaline corrosion resistance are strongly demanded for their fabrication equipments. In this paper, corrosion resistance in static hot concentrated alkaline solution of several kinds of martensite chromium cast iron and steel was studied through polarization curves, potential-time curves, weight loss in the corrosion, and corrosive morphology analysis. Experimental results indicated that corrosion processes can be divided into three stages: dissolving of passivating films, exposed surface corrosion, and corrosion beneath the corroded product. Protection effect of the passivating films was transitory, and the corrosion rate during the exposed surface corrosion reached the maximum. Corrosion of the testing materials was composed of active dissolving corrosion of the metal matrix and caustic embrittlement cracking of the matrix, as well as grain boundary corrosion for the cast iron. Dissolving corrosion of the metal matrix was the main cause that induced the weight loss, while severe caustic embrittlement cracking of the metal matrix was disadvantageous. With an increase of the chromium content in the cast iron or steel, active dissolving corrosion of the metal matrix increased. However, the tendency of caustic embrittlement cracking decreased.
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Stradomski, G. "The Cracking Mechanism of Ferritic-Austenitic Cast Steel." Archives of Foundry Engineering 16, no. 4 (December 1, 2016): 153–56. http://dx.doi.org/10.1515/afe-2016-0101.

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Abstract In the high-alloy, ferritic - austenitic (duplex) stainless steels high tendency to cracking, mainly hot-is induced by micro segregation processes and change of crystallization mechanism in its final stage. The article is a continuation of the problems presented in earlier papers [1 - 4]. In the range of high temperature cracking appear one mechanism a decohesion - intergranular however, depending on the chemical composition of the steel, various structural factors decide of the occurrence of hot cracking. The low-carbon and low-alloy cast steel casting hot cracking cause are type II sulphide, in high carbon tool cast steel secondary cementite mesh and / or ledeburite segregated at the grain solidified grains boundaries, in the case of Hadfield steel phosphorus - carbide eutectic, which carrier is iron-manganese and low solubility of phosphorus in high manganese matrix. In duplex cast steel the additional factor increasing the risk of cracking it is very “rich” chemical composition and related with it processes of precipitation of many secondary phases.
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Liu, Jiang, and Jun Fu. "Toughening Study on High Chromium Cast Iron Liner Plates of HZS Series Commercial Concrete Mixing Plant." Advanced Materials Research 179-180 (January 2011): 1338–41. http://dx.doi.org/10.4028/www.scientific.net/amr.179-180.1338.

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Because of high wear resistance and low cost, high chromium cast iron liner plate is the most commonly used liner for HZS series concrete mixing station at present. However, in normal operation, the high-chromium cast iron liner produced by conventional casting process is easy to crack at its corners. We found that the cracking reasons of this type of liner plate are mainly the lower cast impact toughness, slightly higher hardness, and there has not gotten a good matching between the hard particles and the matrix organizations. Thus we used the secondary heat treatment to slightly reduce the hardness and increase the impact toughness of cast iron liner plate, which can improve the wear resistance and impact resistance of the liner material to extend the service life of these cast iron liners.
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Leushin, I. O., and D. G. Chistyakov. "Analysis of cracking in glass molds made of cast iron." Russian Metallurgy (Metally) 2014, no. 9 (September 2014): 768–71. http://dx.doi.org/10.1134/s0036029514090110.

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Singh Raman, R. K., and B. C. Muddle. "Caustic stress corrosion cracking of a graphite cast iron component." Engineering Failure Analysis 11, no. 2 (April 2004): 199–206. http://dx.doi.org/10.1016/j.engfailanal.2003.05.007.

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Book chapters on the topic "Cast-iron Cracking"

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"Shell and Head Cracking in Gray Cast Iron Paper Machine Dryer Rolls." In ASM Failure Analysis Case Histories: Pulp and Paper Processing Equipment. ASM International, 2019. http://dx.doi.org/10.31399/asm.fach.pulp.c0048804.

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Conference papers on the topic "Cast-iron Cracking"

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Trampert, Stefan, Taner Go¨cmez, and Franz-Josef Quadflieg. "Thermomechanical Fatigue Life Prediction of Cast Iron Cylinder Heads." In ASME 2006 Internal Combustion Engine Division Spring Technical Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/ices2006-1420.

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While the deformation and damage behavior of aluminum cylinder heads under complex thermal mechanical loading has been the subject of numerous studies in the past, cast iron cylinder heads have been in the focus of thermomechanical fatigue (TMF) only to a minor extent. In this paper, a feasible procedure is presented to set-up material models and estimate service life of cast iron cylinder heads under variable thermomechanical loading conditions by the use of CAE tools. In addition, the influence of thermal load and mechanical constraints on TMF life span is shown. A specimen model is used for parameter identification in material model set-up and a cylinder head model is used for correlation with cracking phenomena. Investigation of different thermomechanical load influences is conducted on the cylinder head model. The principal strain and energy based fatigue criteria are used in assessment of TMF lifetime for the cast iron family and material specific evaluation procedures are pointed out. The results highlight the importance of exact definitions of the boundary conditions and underline the sensitivity of TMF lifespan of cast iron cylinder heads with respect to the defined boundary conditions. Considering this sensitivity, an approach conforming to the engine development requirements is proposed. It is shown that both the crack location and fatigue lifetime are predicted with high accuracy.
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Makarenko, Konstantin, Alexander Nikitin, and Andrey Parenko. "Fractographic analysis of fractures of graphitized cast iron using optical microscopy." In International Conference "Computing for Physics and Technology - CPT2020". Bryansk State Technical University, 2020. http://dx.doi.org/10.30987/conferencearticle_5fce27703aebb2.03360772.

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Fractography - methods for studying material fractures, the science of the structure of fracture surfaces. Fractography is widely used to determine the causes of destruction of materials and structures. In materials sciences, fractography is used to study crack propagation, microstructure studies, and quality control. When investigating the failure of structures, determining the type of crack (material fatigue, hydrogen embrittlement, stress corrosion cracking, exceeding the permissible load, etc.) makes it possible to determine the cause of the failure. Fractographic studies include the study of a fracture with the naked eye, using an optical and electron microscope. Other methods are also often used, such as measuring hardness or studying the distribution of chemical elements using X-ray spectral microanalysis. Fractographic (or fracture) analysis is the first and obligatory stage of research that must be performed by an expert of the metallurgical examination laboratory when determining the causes of material destruction. Visual examination of the fracture (fracture) surface makes it possible to establish the location of the beginning of fracture, the nature of its further course, to make a judgment about the degree of plasticity of the material and about possible structural defects that led to the initiation and development of cracks. The use of fractographic analysis methods for reconstructing the fracture surface of graphitized cast iron is proposed. The influence of various inclusions in the structure of cast iron is considered. A study of the fracture surface of graphitized cast irons was carried out, and the causes affecting the fracture process were identified.
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Liu, G., A. Mouftiez, C. Robin, S. Panier, and J. Lesage. "Evaluation of Interfacial Adhesive Toughness by Simulation of Crack Propagation in Interfacial Indentation Test." In ITSC2005, edited by E. Lugscheider. Verlag für Schweißen und verwandte Verfahren DVS-Verlag GmbH, 2005. http://dx.doi.org/10.31399/asm.cp.itsc2005p0139.

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Abstract One of the methods used for the evaluation of coating adherence consists of determining an apparent interfacial fracture toughness through interfacial indentation in the cross-section of the coated system. In the present paper the interfacial crack propagation in a thermal spray coated system, during interfacial indentation test, was studied by finite element method. A Vickers indenter was applied at the coating/substrate interface to perform indentation test. In order to simulate the cracking, an initial semi-circular crack lying at the interface between the substrate and the coating was considered. Since the cracks resulting from interfacial indentation test have been reported to have a semi-circular shape, the crack was forced to advance by a uniform distance normal to the crack front in the plane of interface at each step of calculation. In these conditions it was shown that the interfacial crack has a mixed fracture mode. An apparent interfacial fracture energy Jca was calculated by this method to evaluate the interfacial adhesive toughness. The model was applied to study the crack propagation at the interface between a Cr3C2-NiCr HVOF coating and a grey cast iron substrate. A reasonable agreement between the calculation results and reported experimental data was found.
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