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Development and characterization of ...

Mohanty, Samrat.

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Development and characterization of coal utilization byproducts based automotive brake lining composite materials.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Development and characterization of coal utilization byproducts based automotive brake lining composite materials./
作者:	Mohanty, Samrat.
面頁冊數:	174 p.
附註:	Adviser: Y. P. Chugh.
Contained By:	Dissertation Abstracts International68-05B.
標題:	Applied Mechanics. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3264785
ISBN:	9780549032588

Development and characterization of coal utilization byproducts based automotive brake lining composite materials.
Mohanty, Samrat.

Development and characterization of coal utilization byproducts based automotive brake lining composite materials. - 174 p.

Adviser: Y. P. Chugh.

Thesis (Ph.D.)--Southern Illinois University at Carbondale, 2007.

Coal utilization byproducts (CUBs) are the inorganic residue of coal combustion/coal gasification processes, e.g. fly ash, bottom ash (combustion) and frit (gasification). Frit represents the coarse vitreous fraction of the solid gasification byproducts. The above-mentioned byproducts contain friction modifiers, unburnt carbon, and trace element compounds that make them suitable to be used as automotive brake lining composite ingredients. This project involved studies to develop and characterize automotive brake lining composites using large volume CUBs.

ISBN: 9780549032588Subjects--Topical Terms:

1018410
Applied Mechanics.

Development and characterization of coal utilization byproducts based automotive brake lining composite materials.
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245 1 0 $a Development and characterization of coal utilization byproducts based automotive brake lining composite materials.
300 $a 174 p.
500 $a Adviser: Y. P. Chugh.
500 $a Source: Dissertation Abstracts International, Volume: 68-05, Section: B, page: 3352.
502 $a Thesis (Ph.D.)--Southern Illinois University at Carbondale, 2007.
520 $a Coal utilization byproducts (CUBs) are the inorganic residue of coal combustion/coal gasification processes, e.g. fly ash, bottom ash (combustion) and frit (gasification). Frit represents the coarse vitreous fraction of the solid gasification byproducts. The above-mentioned byproducts contain friction modifiers, unburnt carbon, and trace element compounds that make them suitable to be used as automotive brake lining composite ingredients. This project involved studies to develop and characterize automotive brake lining composites using large volume CUBs.
520 $a During the course of this study, two brake lining formulations were developed, i.e. composites A and B, using two different fly ashes (I & II), a pulverized boiler bottom ash and a frit. Composite A used 55% (by weight) mixture of fly ash I and frit. Composite B used 55 (by weight) mixture of fly ash II and bottom ash. Ingredients such as phenolic resin, aramid pulp, potassium titanate, graphite and copper powder were also included in both the composites for specific functionalities. Samples of both the composite formulations were subjected multiple friction performance and physico-thermal characterization techniques. An OEM (Original Equipment Manufacturer) brake lining's performance (Crown Victoria automobile) was regarded as the baseline for composites development and characterization. Majority of the laboratory characterizations were carried out in the Center for Advanced Friction Studies (CAFS) laboratories.
520 $a Friction performance test results revealed that the developed composites exhibited comparable performance as the OEM brake lining material, in many instances even outperforming it. More specifically, their minimal "Fade" characteristics were noteworthy. The CUBs-based composites demonstrated formation of consistent friction layer on their wear surface, which is a precursor to better friction performance. Both the developed composites met all the B.E.E.P. (Brake Effectiveness Evaluation Procedure) criteria set by the Brake Manufacturer's Council. Physico-thermal characterization results of the composites A and B indicated that they are lighter, harder, possessed larger specific heat capacity, lower thermal diffusivity and lower thermal conductivity than the OEM lining material, which make them suitable as good brake lining materials. They were also found to be thermo-physically stable. Overall, both the CUBs-based composites have demonstrated a very good potential for commercialization as alternate brake lining materials.
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650 4 $a Engineering, Automotive. $3 1018477
650 4 $a Engineering, Mechanical. $3 783786
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710 2 $a Southern Illinois University at Carbondale. $b Engineering Science. $3 1265861
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