scholarly journals Performance quality analysis of brake iron and composite pads for railway rolling composition

2021 ◽  
pp. 27-37
Author(s):  
E. S. Popov ◽  
O. I. Shinsky
Keyword(s):  
Cast Iron ◽  
Composite Materials ◽  
Carbon Black ◽  
Quality Analysis ◽  
Rolling Stock ◽  
Brake Pads ◽  
Performance Quality ◽  
And Performance ◽  
Railway Rolling Stock

The requirements for the quality and performance of the brake pads of railway rolling stock made of various materials are analyzed. The advantages of cast iron brake pads produced at foundries are shown. The disadvantages of brake pads made of composite materials based on rubber, asbestos, barite, carbon black and other components are noted. Ways to improve standards, specifications and other documentation for these products are proposed.

Research on Composite Materials Used for Brake Shoes Manufacture

2016 ◽  
Vol 254 ◽  
pp. 207-211 ◽  
Author(s):  
Erika Popa ◽  
Liviu Pascu ◽  
Ana Socalici ◽  
Marius Ardelean
Keyword(s):  
Composite Material ◽  
Cast Iron ◽  
Composite Materials ◽  
Carbon Fiber ◽  
Contact Zone ◽  
Laboratory Experiments ◽  
Rolling Stock ◽  
Brake Shoe ◽  
Materials Used

The paper relates laboratory experiments in order to obtain a composite material used for brake shoe manufacture. Regarding the testing materials were processed 38 samples. The percentage and composition of materials are: 15-45% novolac, 1,5-10% hexametyltetramin, 0-8% sulfur, 0-15% carbon fiber, 0-20% graphite, 0-25% aluminum, 15-28% brass and 0-40% rubber. The evolution of tribological and temperature parameters were analyzed in the contact zone tribological testing disk - split pin method. The composite material has the role to replace the classic material (cast iron) used in brake shoes composition in order to reduce the noise caused by rolling stock.

New Solutions in Choice of Material and Design of Brake Shoes Required by Railroad Applications

2005 ◽  
Author(s):  
L. A. Vukolov ◽  
A. I. Voronchikhin
Keyword(s):  
Cast Iron ◽  
Sintered Material ◽  
Wheel Running ◽  
Rolling Stock ◽  
Transverse Cracks ◽  
Thermal Cracks ◽  
Field Service ◽  
Railroad Applications ◽  
Sintered Materials ◽  
Railway Rolling Stock

The results of interaction of cast iron and composite brake shoes against wheel treads on dynamometer during carry out certificate tests of brake shoes are examined. It has been established that cast iron brake shoes are more aggressive against the wheel running surface. They have inclination to emerge of transverse cracks in tread. On the contrary the composite brake shoes and sintered materials too did not cause the formation of the thermal cracks in the wheel tread owing to more low temperatures rise in friction contact layers. Like this use of composite and sintered material brake shoes in field service on Railway Rolling Stock is more preferable.

scholarly journals Laboratory Researches Regarding Wear of the Composite Materials for Making Brake Shoes

2017 ◽  
Vol 54 (2) ◽  
pp. 203-206 ◽  
Author(s):  
Erika Ardelean ◽  
Ana Socalici ◽  
Liviu Pascu ◽  
Vasile Putan ◽  
Teodor Heput
Keyword(s):  
Composite Material ◽  
Cast Iron ◽  
Composite Materials ◽  
Experimental Test ◽  
Standard Sample ◽  
Rolling Stock ◽  
Laboratory Conditions

The paper presents the results of the experiments on obtaining a composite material to be used in manufacturing brake shoes for the rolling stock. The aim was to replace the classical material used at present for the manufacturing of brake shoes: cast iron with a specially designed composite material. Six recipes have been tested and compared to a standard sample made of phosphorous cast iron. The wear trials carried out in laboratory conditions on the experimental test rods have led to results that entitle further experiments that implies the manufacturing of brake shoes made of the composite material in question.

scholarly journals Development of new polymer composite materials for the flooring of rail carriage

2020 ◽  
Vol 9 (2) ◽  
pp. 378
Author(s):  
Zaynitdinova Olmos Irikovich ◽  
Rahimov Rustam Vyacheslavovich ◽  
Waail Mahmod Lafta ◽  
Ruzmetov Yadgor Ozodovich
Keyword(s):  
Composite Materials ◽  
Polymer Composite ◽  
Polymer Composite Materials ◽  
Operating Costs ◽  
Rolling Stock ◽  
Railway Transport ◽  
Process Automation ◽  
New Material ◽  
The Subject ◽  
Railway Rolling Stock

The subject of improving the competitiveness and efficiency of railway rolling stock is highly demanded as the railway transport consider the nerve of the goods transport in the hole word. One of the requirements to develop the railway transport related to the continuous improvement of existing materials and find a new material which would satisfy such conflicting requirements as relia-bility, sustainability, producibility and the manufacturing process automation possibility. The researches show that use of polymer composite materials (PCM) in the production of both passenger and freight railway rolling stock, provides lightweight, improves its performance, increases durability and reduces operating costs. 

Aspects Regarding the Braking Capacity of Composite Brake Shoes for Railway Vehicles

2019 ◽  
Vol 56 (1) ◽  
pp. 18-21
Author(s):  
Catalin Cruceanu ◽  
Camil Craciun
Keyword(s):  
Cast Iron ◽  
Composite Materials ◽  
Main Parameter ◽  
Rolling Stock ◽  
Operational Conditions ◽  
Qualitative And Quantitative ◽  
Stopping Distance ◽  
Railway Freight ◽  
Main Target ◽  
Braking Process

The main target of the study is to highlight, by means of numerical simulations, the advantages and possible drawbacks of using composite materials instead of the classical cast iron to equip the brake system of railway freight vehicles. The qualitative and quantitative evaluations refer mainly to the braking capacity by considering as main parameter the stopping distance, in various operational conditions. Results indicate that composite materials are more efficient in the braking process, but in the case of low speeds, the recommendation is to perform earlier and/or stronger braking actions than usual, in classical cast iron equipment on rolling stock.

scholarly journals Friction and Wear Behaviour of Composite Materials Containing Organic Components

2017 ◽  
Vol 54 (2) ◽  
pp. 269-273 ◽  
Author(s):  
Ana Socalici ◽  
Erika Ardelean ◽  
Liviu Pascu ◽  
Vasile Putan
Keyword(s):  
Composite Material ◽  
Cast Iron ◽  
Composite Materials ◽  
Tribological Properties ◽  
Friction And Wear ◽  
Operating Regime ◽  
Rolling Stock ◽  
Wear Behaviour ◽  
Future Research ◽  
Organic Components

The paper presents the experiments performed in the laboratory and the results obtained on friction and wear behaviour of the composite materials for the manufacture of brake shoes used for driving and towed rolling stock. The tribological research of these samples made of composite material with organic components aimed to determine the influence of certain material factors and operating regime parameters on the tribological properties of the tested samples. The brake shoes made of composite materials oneusesto replace the conventional cast iron brake shoes, to reduce the noise. The future research will focus on finding composite materials with superior properties compared to the currently used ones, and lower costs.

scholarly journals Comparison of cast-iron and composite brake pads with cast-iron inserts for rolling stock of railways

2021 ◽  
Vol 29 (2) ◽  
pp. 80-89 ◽  
Author(s):  
V.L. Mazur ◽  
◽  
V.L. Naidek ◽  
Ye.S. Popov ◽  
◽  
...  
Keyword(s):  
Cast Iron ◽  
Rolling Stock ◽  
Brake Pads
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