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Your search for elongation resulted in 8 matches...

MECHANICAL PROPERTIES OF HIGH-ALLOYED, DISPERSION-HARDENED, MARTENSITIC CAST STEEL AFTER MULTI-STAGE HEAT TREATMENT


High-alloyed Cr-Ni-Cu cast steel with additions of Mo and Nb and high nitrogen content was melted. The cast test ingots were subjected to a heat treatment. Metallographic examinations were made under an optical mic...

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RECYCLING OF WASTE FLY ASH FORMED DURING COMBUSTION OF HARD COAL FOR USE IN MOULDING MIXTURES MANUFACTURE


The article is a compilation of the most important results obtained during execution of own research project regarding the possibility of using fly ash formed during combustion of hard coal as a base granular material ...

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A NOVEL METHOD FOR THE OXYGEN ACTIVITY MEASUREMENT APPLIED IN CONTROL OF THE DUCTILE IRON MANUFACTURING PROCESS


The objective of the present study was to evaluate a method for the measurement of oxygen activity in liquid cast iron to predict the cast iron properties after solidification. A series of experimental melts were made, testing the activity of oxyg...

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CAST Al-Si MATRIX COMPOSITES REINFORCED WITH INTERMETALLIC PHASES


In the present paper research results of microstructure and selected mechanical properties of composite on EN AC-AlSi11 alloy matrix with reinforcement in the form of particle of Cr-Fe-C alloy (composite ex situ) and carbonitrides Ti, Zr, V (compo...

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The effect of the addition of circulating scrap on the tensile properties of die cast magnesium alloy


Recycling of magnesium alloys is a complex issue not only because of their high reactivity and flammability even below melting temperature, but primarily because of a lack of equipment and experience in foundries. Nonetheless the environmental fac...

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Effect of molybdenum on the crystallization, microstructure and properties of silumin 226


The article presents the results of studies of hypoeutectic silumin with a molybdenum addition used for pressure casting. The studies included a thermal-derivative analysis of the crystallization process, a metallographic analysis of the microstru...

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Improvement of plasticity of the AlSi11 alloy due to soft annealing treatment


The paper presents research on the possibility of improving the plasticity of near-eutectic AlSi11 alloy by the use of soft annealing treatment. For two assumed input quantities, i.e. temperature and duration of the soaking treatment, based on the...

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Effect of chromium on the crystallization process, microstructure and properties of hypoeutectic Al-Si alloy


The paper presents the results of studies of hypoeutectic silumin with a chromium addition used for pressure casting. A silumin with the composition similar to that of EN AC-46000 was used as the initial one. In order to introduce chromi...

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