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44篇 您的检索式:作者名="Harmuth"
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1High-temperature investigation of mould slag crystallization by single and double hot thermocouple techniques显示文摘Methods for the characterization of mould slag crystallization with special emphasis on the single/double hot thermocouple technique(SHTT/DHTT)are reviewed.In the continuous casting process of steels,horizontal heat transfer is mainly influenced by the crystallization behaviour of the mould flux film.Here,both precipitation of crystals out of a liquid phase and devitrification of the glassy film in contact with the mould are of main interest.Therefore,various investigation methods are implemented to characterize different slag properties related to crystallization:a viscometer for determining the break temperature,differential thermal analysis(DTA),confocal scanning laser microscopy,and the water-cooled copper finger test.For near-service conditions,DHTT reveals the most detailed information,including not only the crystallization or devitrification temperature but also the morphology as well as the crystallization velocity.Due to improvements in the device and the representation of the results,a comparison of different samples is possible.Nevertheless,the application field of SHTT/DHTT is restricted to slag systems with low contents of evaporating components.Furthermore,the time required for data analysis is significantly longer than that required for other methods,e.g.DTA.Therefore,the application of DHTT is mainly advisable for mould slag research and development,whereas DTA can also be used for incoming inspections.Nathalie Kolbl Irmtraud Marschall Harald Harmuth 2019Journal of Iron and Steel Research(International)2019,26,4:3
2浸入式水口渣线ZrO2-C材料的侵蚀机制?显示文摘通过观察损毁样品的侵蚀和渗透情况,研究浇铸TRIP钢时保护渣对ZrO2-C渣线材料的侵蚀机制。ZrO2及其稳定剂CaO的侵蚀溶解是渣线材料侵蚀的决定因素。氧化是石墨损毁的主要方式,石墨在钢水里的溶解对其损毁不起重要作用。ZrO2溶解量和石墨氧化量的比值随着热面到钢水垂直距离的减少而减少。然而,与其他炼钢用碳结合耐火材料不同,在本研究的特殊情况下,石墨被保护渣浸润,它仍然充当耐火成分,但仅部分作为抗渣渗透剂。渣渗透后,ZrO2开始被侵蚀,降低了抗渣侵蚀性,然而渣中成分的气相传输可能导致CaO在未渗透区域脱溶。Harald Harmuth Nathalie Kolbl Barbara Rollinger Guangmin Xia 2013耐火材料2013,,3:2
3Creep Modeling of Magnesia-chromite Bricks in a RH Snorkel During a Process Cycle显示文摘In this paper both experimental and analytical approaches to provide the inputs for creep modeling of refractories including a newly developed high temperature compressive creep machine and an inverse estimation procedure of creep law parameters are briefly introduced.Besides,a modified shear test is applied to determine the cohesion and friction angle of refractories under shear state. A RH snorkel equipped with magnesia- chromite bricks is chosen for a case study of thermomechanical simulation applying the classical creep model and Drucker-Prager creep model available in the finite element code ABAQUS,respectively. Afterwards,thermal stresses and joint opening of magnesia- chromite bricks during a process cycle are compared to distinguish the impact of these two creep models.JIN Shengli Harald HARMUTH Dietmar GRUBER Roman RSSLER 2015China's Refractories2015,24,1:2
4钢包预热过程热应力影响因子及预报模型显示文摘运用有限元软件ABAQUS建立钢包包衬的线性弹性模型,模拟钢包预热过程包衬的热应力,分析包衬厚度及其材料物理性能对包衬内最大热应力和钢壳表面温度的影响;采用偏最小二乘法建立包衬厚度及材料物理性能与包衬内最大热应力、钢壳表面温度间的预报模型。结果表明,工作衬材料物理性能对包衬最大应力和钢壳表面温度起主要影响作用;较之于无绝热衬,有绝热衬钢包永久衬材料物理性能对钢包热应力和钢壳表面温度的影响作用显著降低。金胜利 Harald Harmuth Dietmar Gruber Thomas Auer 李亚伟 2011武汉科技大学学报2011,34,1:2
5FEM simulation of the thermomechanical behaviour of the refractory lining of a blast furnace显示文摘Gruber D Andreev K Harmuth H 2004Joural of Material Processing Technology2004,,155:1
6FEM Simulation of the Thermomechanical Behaviour of the Refractory Lining of a Blast Furnace显示文摘Gruber D Andreev L Harmuth H 2004Joural of Material Processing Technology2004,,155:1
7FEM simulation of the thermomechanical behaviour of the refractory lining of a blast furnace显示文摘Gruber D Andreev K Harmuth H 2004Journal of Material Processing Technolngy2004,,155:1
8Antennas for nonsinusoidal waves I radiators 显示文摘Harmuth H F Shao D R 1983IEEE Transactions onElectromagnetic Compatibility1983,25,1:1
9FEM simulation of the thermomechanical behaviour of the refractory lining of a blast furnace显示文摘CRUBER D ANDREEV K HARMUTH H 2004Joural of Material Processing Technology2004,,155:1
10Investigation of refractory brittle ness by fracture mechanical and fractographic method显示文摘Harmuth H Bradt R C 2010Interceram2010,1,:1
11Multip le access communication with binary orthogonal sine and cosine pulses using heavy amplitude clipping显示文摘Harmuth H F Schmid P E Dudley H S 1971IEEE Tran on Comm Tech1971,19,6:1
12The single hot thermocouple technique for the charactersation of the crystallization behaviour of transparent melts (in German) 显示文摘Kolbl N Marschall I Harmuth H 2010In: Mailer H: StranggieBen Werkstoff- Informationsgesellschaft mbH Frankfurt2010,2010,:1
13Sistemas transcurrentes de escala litosferica en el Sur del Peru显示文摘Thierry S Javier J Victor C William M Conrado B Michel F Pierrick R Harmuth A Jorge A Luis C Alexander F Ivanoff I Omar L Mirian M Paola M Francis O Yovani O Adan P and Rildo R 0,,05:1
14Singledose antibiotic prophylaxis in transurethral resection of the prostate:a prospective randomized trial显示文摘Scholz M Luftenegger W Harmuth H 1998Br J Urol1998,81,6:1
15Investigation of the nonlinear fracture behaviour of ordinary ceramic refractory materials 显示文摘Harmuth H Rieder K Krobath M 1996Mater Sci Eng1996,214,12:1
16Occurrence of Legionella in hot water systems of single-family residences in suburbs of two German cities with special reference to solar and district heating 显示文摘Mathys W Stanke J Harmuth M 2008International Journal of Hygiene and Environ- mental Health2008,21,12:1
17Corrosion Mechanisms of SEN Slagband Materials显示文摘Wear of a zirconia graphite slagband material by mold slag during casting of a TRIP steel grade was investigated on worn specimens with respect to corrosion and erosion.Corrosion dissolution of both the stabilizer oxide and the zirconia is decisive.Oxidation is dominating graphite wear whereas a possible dissolution in the liquid steel was not observed to play an important role here.The ratio of oxide corrosion to graphite oxidation decreases with decreasing vertical distance of the hot face to the steel bath.Unfortunately and contrary to other applications of carbon bonded refractories in steel industry graphite exhibits to be wetted by mold slag in the special case investigated here,it still acts as a refractive component, but only partly as an infiltration inhibitor.Infiltration is followed by zirconia corrosion thus reducing erosion resistance,but nevertheless also gas phase transport of slag components may cause exsolution of the stabilizer oxide in un-infiltrated regions.Harald HARMUTH Nathalie KBL Barbara ROLLINGER Guangmin XIA 2013China's Refractories2013,22,2:1
18Preliminary investigations of the production of MgAlON bonded refractories 显示文摘PICHLBAUER S HARMUTH H Len?é? Z 2012J Eur Ceram Soc2012,32,20:1
19Determination of Young' s modulus, fracture energy and tensile strength of refractories by inverse estimation of a wedge splitting procedure 显示文摘Jin S Gruber D Harmuth H 2014Eng Fract Mech2014,116,:1
20Uniaxial and biaxial fracture behavior of refractory meterials显示文摘Tschegg E K Fendt K T Harmuth H 2009Eng Frac Mech2009,76,14:1
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