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Classification of Engineering Materials, and Their Properties: 1
ACS College of Engineering, Bangalore Assistant professor/Aeronautical Classification Of Engineering Materials, And Their Properties: 1] Material classification: There are different ways of classifying materials. One way is to describe five groups or families 1 ACS College of Engineering, Bangalore Assistant professor/Aeronautical Metals and alloys; Ceramics, glasses, and glass-ceramics; Polymers (plastics); Semiconductors Composite materials Metals and Alloys: Metals and alloys include steels, aluminum, magnesium, zinc, cast iron, titanium, copper, and nickel. An alloy is a metal that contains additions of one or more metals or non-metals. In general, metals have good electrical and thermal conductivity. Metals and alloys have relatively high strength, high stiffness, ductility or formability, and shock resistance. They are particularly useful for structural or load-bearing applications. Although pure metals are occasionally used, alloys provide improvement in a particular desirable property or permit better combinations of properties. Ceramics: Ceramics can be defined as inorganic crystalline materials. Beach sand and rocks are examples of naturally occurring ceramics. Advanced ceramics are materials made by refining naturally occurring ceramics and other special processes. Advanced ceramics are used in substrates that house computer chips, sensors and capacitors, wireless communications, inductors, and electrical insulation. Some ceramics are used as barrier coatings to protect metallic substrates in turbine engines. Ceramics are also used in such consumer products as paints, and tires, and for industrial applications such as the tiles for the space shuttle. Traditional ceramics are used to make bricks, tableware, toilets, bathroom sinks, refractories (heat-resistant material), and abrasives. In general, due to the presence of porosity (small holes), ceramics do not conduct heat well; they must be heated to very high temperatures before melting. -
An Inventory of US Navy Courses Suitable for Use in Training Civiliam
DOCUMENT RESUME ED 118 915 CE 006 479 AUTHOR Rogers, William A., Jr.; Nisos, Michael J. TITLE An Inventory of U.S. Navy Courses Suitable for Use in Training Civiliam Personnel in Basic Technical Skills. INSTITUTION Aerospace Education Foundation, Washington, D.C.; Naval Inst., Annapolis, Md. SPONS AGENCY Maryland State Dept. of Education, Baltimore. PUB DATE 15 Apr 75 NOTE 336p. AVAILABLE. FROM For more detailed information about course contents, contact U.S. Naval Institute, Annapolis, Maryland 21402 (No price given) EDRS PRICE MF-$0.83 HC-$18.07 Plus Postage DESCRIPTORS Auto Mechanics (Occupation); Aviation Technology; *Catalogs; Construction Industry; Course Content; *Course Descriptions; *Educational Equipment; Electrical Occupations; Food Service Occupations; Marine Technicians; Medical Services; *Military Training; *Technical Education; Technical Occupations; Trade and Industrial Education IDENTIFIERS *Navy ABSTRACT An inventory of courses of study developed by the United States Navy which might be useful to other private and public institutions in training civilian students in basic technological skills is presented. Individual course reports contain the following information: course description, comments, course content (including blocks of instruction and hours), support materials,, training aids, equipment, tools, and supplies and materials. Courses are listed for the following career fields: air conditioning and refrigeration, audiovisual equipment (operation), audiovisual equipment (repair) , automotive trades, aviation trades, -
5. Sirhowy Ironworks
Great Archaeological Sites in Blaenau Gwent 5. SIRHOWY IRONWORKS There were a number of ironworks in the area now covered by Blaenau Gwent County Borough, which provided all the raw materials they needed – iron ore, limestone and fuel, charcoal at first but later coal to make coke. The Sirhowy ironworks (SO14301010) are the only one where there is still something to see. The works were opened in 1778 with one blast furnace. Although it was originally blown by water power, in 1799 the owners invested in a Boulton and Watt steam engine. This gave them enough power to blow a second furnace, which started production in 1802. In the early years of the 19th century, the pig iron produced at Sirhowy was sent to the Tredegar works a little further down the valley where it was refined, until 1818 when the Sirhowy works were sold and started to send its pig iron to Ebbw Vale. A third furnace was added in 1826 and a fourth in 1839. But by the 1870s iron smelting at Sirhowy was no longer profitable, and the works finally closed in 1882. Like all ironworks in South Wales, the furnaces were built against a steep bank which enabled the ironworkers to load the charge of iron ore, limestone and coke or charcoal fuel more easily at the top of the furnace. All that is now left now are the remains of a bank of blast furnaces with the arches that would originally have linked them to the casting houses in front, and the building that originally housed the waterwheel. -
National Register of Historic Places Multiple Property
NFS Form 10-900-b 0MB No. 1024-0018 (Jan. 1987) United States Department of the Interior National Park Service National Register of Historic Places Multipler Propertyr ' Documentation Form NATIONAL This form is for use in documenting multiple property groups relating to one or several historic contexts. See instructions in Guidelines for Completing National Register Forms (National Register Bulletin 16). Complete each item by marking "x" in the appropriate box or by entering the requested information. For additional space use continuation sheets (Form 10-900-a). Type all entries. A. Name of Multiple Property Listing ____Iron and Steel Resources of Pennsylvania, 1716-1945_______________ B. Associated Historic Contexts_____________________________ ~ ___Pennsylvania Iron and Steel Industry. 1716-1945_________________ C. Geographical Data Commonwealth of Pennsylvania continuation sheet D. Certification As the designated authority under the National Historic Preservation Act of 1966, as amended, J hereby certify that this documentation form meets the National Register documentation standards and sets forth requirements for the listing of related properties consistent with the National Register criteria. This submission meets the procedural and professional requiremerytS\set forth iri36JCFR PafrfsBOfcyid the Secretary of the Interior's Standards for Planning and Evaluation. Signature of certifying official Date / Brent D. Glass Pennsylvania Historical & Museum Commission State or Federal agency and bureau I, hereby, certify that this multiple -
Argyle Police Department
ARGYLE POLICE DEPARTMENT Policy 1.1 Mission, Values, and Written Directive System Effective Date: 02Feb12 Replaces: Reference: TBP 1.04.1 I. POLICY Law enforcement agencies provide essential services to foster safe communities through crime reduction and deterrence. Administrators of these law enforcement agencies are obligated to train, supervise, and guide personnel in performing the variety of tasks which create safe communities. At the same time, these administrators seek to improve employees' confidence and competence in performing tasks while reducing vulnerability to liability. To meet these obligations, agencies must manage themselves according to written directives. A manual of policies and procedures guides the day-to-day legal and ethical functioning of a law enforcement agency. To that end, this manual furnishes a blueprint for the performance of this agency’s activities in accordance with established state and national standards. Providing all members of the department with an understanding of the department’s mission and values provides guidance for decision making when situations are not covered by direct policy or procedure. II. PURPOSE This document outlines the organization of the Department, its Policy and Procedure Manual, its authority, and defines three kinds of statements that appear in these documents: policy, rule, and procedure. It also states the department’s mission and core values. III. AGENCY MISSION AND VALUES A. Mission The mission of the Argyle Police Department is to work with the citizens of Argyle to maintain effectively and efficiently provide for the protection of lives and property, preserve the public peace, and promote individual responsibility and community commitment with the highest level of professionalism and ethical standards. -
The Importance of Proper Inspection
The Importance of Proper Inspection Rocky Capehart How Do We Help Prevent: PROPER INSPECTION All of the below should be performed as specified in the contract documents: •product specified is being used, •specified surface preparation has been completed, •product is applied as per manufacture’s recommendation, •AND Post application INSPECTION Manhole Preparation Quality Assurance and Testing •Substrate surface preparation requirements – Hydroblasting, Sand blasting, Grinding •Inspection before material application – Clean, dry, sound, surface profile, pH Test – Equipment KEY FACTORS FOR PREP SUCCESS Obtain a clean, dry and sound surface! • Understand repair procedures: • infiltration or substrate loss • Understand preparation procedures • Know how to test preparation results Coating • Know common termination methods of: keys • cleaning power • abrasive choices • coating removal Moisture Level Definition Saturated Surface Dry describes the condition of the aggregate in which the pores in each particle of the aggregate particle are filled with water and no excess water is on the particle surface. This allows the absorption and the specific gravity of the aggregate to be measured. Moisture content of aggregate is described by four categories: pH Test Complications with a product application may occur if pH levels (number designation) are: – too high (alkaline) or too low (acid). EQUIPMENT • Equipment is product dependent • Some can be mobilized into underground structures as necessary • Material output is meeting proper ratio Manhole Preparation -
Titanium, Aluminum Or Steel?
Titanium, Aluminum or Steel? Thomas G Stoebe Professor Emeritus, University of Washington, Seattle, WA and National Resource Center for Materials Technology Education Edmonds Community College 20000 68 Ave West Lynnwood, WA 98036 425-890-4652; [email protected] Copyright Edmonds Community College 2008 Abstract: Testing of metals is usually undertaken with sophisticated instruments. However, you can demonstrate to your students the basic differences between certain classes of metals using the simple spark test, presented here. You can even have your students test their “titanium” sports equipment to see if it really titanium! In many cases, they will find that the name “titanium” is used for marketing but little will be found in the product. In the process, students see the visible result of the carbon content in steel, and the lack of carbon in other materials, plus realize the reactivity of titanium metal. Module Objective: This simple demonstration provides an introduction to materials and materials testing. Even though this technique is limited to certain metals, it helps the student understand that different materials are different, and that materials that look alike are not necessarily the same. It also provides an opportunity to describe ferrous and non-ferrous materials and their basic differences, and one effect of heating on these different materials. Titanium is sufficiently reactive in air that it gives off sparks even with no carbon present. Since so many products today indicate that they are made of titanium, this test also provides a simple means to test for titanium in a product. This demonstration can also be expanded into a lab experiment to identify unknown materials. -
Geological and Economic Assesment of the Perspective of the Mining in Ljubija Ore Region
Cvijić, R. et al: Geolopgical and ...... Archives for Technical Sciences 2018, 18(1), 1-8 Original Sscijentific paper UDC 622.33.013(497.16Ljubija) DOI: 10.7251/afts.2018.1018.001C COBISS.RS-ID 7322392 GEOLOGICAL AND ECONOMIC ASSESMENT OF THE PERSPECTIVE OF THE MINING IN LJUBIJA ORE REGION 1 2, 2 2 Cvijić Ranko , Milošević Aleksej Čelebić Miodrag , Kovačević Žarko 1Institut of mining Prijedor, Bosnia and Herzegovina, e.mail. [email protected] 2University of Banja Luka, Faculty of mining Prijedor, Bosnia and Herzegovina ABSTRACT The iron ore of the Ljubija ore region for decades has a very great impact on the overall social reproduction in the area of the city of Prijedor, RS, BiH, which is clearly connected with the constant renewal and intensification of the production process. We have systematic geological explorations last over 135 years and exploitation with certain interruptions over 100 years. Existing resources/reserves should be optimally activated in order to achieve the commercial viability of investment funds invested in them, but also those that have yet to be invested, and a certain expected national benefit, and at the same time an intensive geological exploration of the potential space for finding new reserves in terms of iron ore base. The paper attempts to assess the real justification of further geological exploration and exploitation in this area and the strategy for further development of iron ore mining. Key words: Ljubija ore region, iron ore, ore resources/reserves, geological exploration, exploitation, development INTRODUCTION The mining area of the Ljubija ore region, with an area of about 1500 km2, in the western part of the Republic of Srpska, in the area between Novi Grad, Prijedor, Bronzani Majdan, Sanski Most and Budimlić Japra, has been a significant source of iron ore and stone for decades for the entire socioeconomic development of Prijedor regions, Republika Srpska and Bosnia and Herzegovina. -
Invitation to Bid 3
,o , INFORMATION FOR BIDDERS PROPOSAL - SPECIFICATIONS FOR REPLACEMENT OF BRIDGE NO. 05012 DAVIS AVENUE OVER INDIAN HARBOR TOWN PROJECT NO. 17-16 STATE LOTCIP PROJECT NO. L056-0003 AUGUST 2020 TOWN OF GREENWICH CONNECTICUT 742 Q 0 ~E~NEERING DM»""'SIO-vN • DEPARTMENT OF PUBLIC WORKS ~ .a.· Replacement of Bridge No. 05012 Davis Avenue Bridge over Indian Harbor Town of Greenwich, Connecticut Town Project No. 17-16 State LOTCIP Project No. L056-0003 TABLE OF CONTENTS Section Page No. Invitation to Bid 3 BIDDING REQUIREMENTS Section 1 Information for Bidders 4 to 13 Section 2 Bid 14 to 43 Section 3 Bid Bond 44 to 47 CONTRACT FORMS Section 4 Agreement 48 to 78 Section 5 Performance, Maintenance and Payment Bond 79 to 83 CONTRACT CONDITIONS Section 6 General Conditions 84 to 91 OTHER DOCUMENTS Section 7 Technical Provisions 92 to 229 Section 8 State of Connecticut Prevailing Wage Rates 230 to 261 Appendix A CT DEEP Certificate of Permission License 262 to 284 Appendix B CTDOT Required Contract Provisions 285 to 311 TECHNICAL PROVISIONS List of NTCs Page No. Notice to Contractor – Use of Connecticut DOT Form 817 94 Notice to Contractor – Protection of Existing Utilities 95 to 96 Notice to Contractor – Procurement of Materials 97 Notice to Contractor – All - Inclusive Drainage 98 Notice to Contractor – Use of Municipal Police Officers 99 Special Provision Sections Page No. Section 1.05 – Control of The Work 100 to 101 Section 1.07 – Legal Relations and Responsibilities 102 to 103 Section 1.08 – Prosecution and Progress 104 Section 2.86 – Drainage Trench Excavation, Rock in Drainage Trench Excavation 105 to 108 Section 4.06 – Bituminous Concrete 109 to 131 Section 5.86 – Catch Basins, Manholes, And Drop Inlets 132 to 135 Section 6.86 – Drainage Pipes, Drainage Pipe Ends 136 to 139 Section M.04 – Bituminous Concrete Materials 140 to 159 1 Replacement of Bridge No. -
Critical Materials Handbook
City of Spokane CRITICAL MATERIALS HANDBOOK Prepared By: Critical Materials Technical Advisory Committee November 16, 2009 This Page is intentionally left blank ii CRITICAL MATERIALS HANDBOOK Table of Contents TECHNICAL ADVISORY COMMITTEE iv ACKNOWLEDGEMENTS iv Section I. Introduction 1 A. Purpose and Use of this Handbook. 1 Section II. 3 Critical Materials 3 A. Critical Materials Definitions. 3 B. Critical Materials List. 4 C. Critical Materials Activity List. 5 D. Identification of Critical Material Use Activities. 5 Section III. Best Management Practices for the Prevention and Control of Spills 7 A. Selecting a Secondary Containment Site 7 B. Constructing a Secondary Containment Site 7 C. Containment Options 8 D. Operating and Maintaining a Secondary Containment System 9 E. Construction/Management Alternatives for Storm Water 11 F. Who to Contact 11 Section IV. Spill Control A. Application of spill control technology and methodology. 13 B. Structural methods for the control of spills. 13 C. Containment Volume of Secondary Containment Systems. 13 D. Model spill prevention, control and clean-up plan. 15 APPENDIX A CRITICAL MATERIALS LIST and CRITICAL MATERIALS ACTIVITY LIST 18 APPENDIX B NORTH AMERICAN INDUSTRIAL CLASSIFICATION CODES for 20 Activities Most Likely to Involve Chemicals 20 APPENDIX C Best Management Practice (BMP) design concepts 27 List of Exhibits 28 APPENDIX D Sample Inspection Checklists 65 iii TECHNICAL ADVISORY COMMITTEE The original Technical Advisory Committee was created in 1977 to oversee the technical aspects of the development of the Water Quality Management Plan. This group has evolved to those agencies that are responsible for aquifer protection and enforcement within the City of Spokane. -
Ironworks and Iron Monuments Forges Et
IRONWORKS AND IRON MONUMENTS FORGES ET MONUMENTS EN FER I( ICCROM i ~ IRONWORKS AND IRON MONUMENTS study, conservation and adaptive use etude, conservation et reutilisation de FORGES ET MONUMENTS EN FER Symposium lronbridge, 23-25 • X •1984 ICCROM rome 1985 Editing: Cynthia Rockwell 'Monica Garcia Layout: Azar Soheil Jokilehto Organization and coordination: Giorgio Torraca Daniela Ferragni Jef Malliet © ICCROM 1985 Via di San Michele 13 00153 Rome RM, Italy Printed in Italy Sintesi Informazione S.r.l. CONTENTS page Introduction CROSSLEY David W. The conservation of monuments connected with the iron and steel industry in the Sheffield region. 1 PETRIE Angus J. The No.1 Smithery, Chatham Dockyard, 1805-1984 : 'Let your eye be your guide and your money the last thing you part with'. 15 BJORKENSTAM Nils The Swedish iron industry and its industrial heritage. 37 MAGNUSSON Gert The medieval blast furnace at Lapphyttan. 51 NISSER Marie Documentation and preservation of Swedish historic ironworks. 67 HAMON Francoise Les monuments historiques et la politique de protection des anciennes forges. 89 BELHOSTE Jean Francois L'inventaire des forges francaises et ses applications. 95 LECHERBONNIER Yannick Les forges de Basse Normandie : Conservation et reutilisation. A propos de deux exemples. 111 RIGNAULT Bernard Forges et hauts fourneaux en Bourgogne du Nord : un patrimoine au service de l'identite regionale. 123 LAMY Yvon Approche ethnologique et technologique d'un site siderurgique : La forge de Savignac-Ledrier (Dordogne). 149 BALL Norman R. A Canadian perspective on archives and industrial archaeology. 169 DE VRIES Dirk J. Iron making in the Netherlands. 177 iii page FERRAGNI Daniela, MALLIET Jef, TORRACA Giorgio The blast furnaces of Capalbio and Canino in the Italian Maremma. -
Historical Survey of Iron and Steel Production in Bosnia and Herzegovina
UDK 669.1(497.15)(091) ISSN 1580-2949 Professional article/Strokovni ~lanek MTAEC9, 43(4)223(2009) S. MUHAMEDAGI], M. ORU]: HISTORICAL SURVEY OF IRON AND STEEL PRODUCTION IN BiH HISTORICAL SURVEY OF IRON AND STEEL PRODUCTION IN BOSNIA AND HERZEGOVINA ZGODOVINSKI PREGLED PROIZVODNJE @ELEZA IN JEKLA V BOSNI IN HERCEGOVINI Sulejman Muhamedagi}1, Mirsada Oru~2 1University of Zenica, Faculty of metallurgy and materials, Travni~ka c. 1, 72000 Zenica, Bosna i Hercegovina 2University of Zenica, Institute of Metallurgy "Kemal Kapetanovi}", Travni~ka c. 1, 72000 Zenica, Bosna i Hercegovina [email protected] Prejem rokopisa – received: 2009-01-08; sprejem za objavo – accepted for publication: 2009-01-16 Cast-iron and steel production facilities were, and still are, frequently located on sites with deposits of iron ore and coal. The center of steel metallurgy in Bosnia and Herzegovina, and of the former Yugoslavia, is located in the Iron and Steel Plant Zenica, today known as Arcelor Mittal Zenica. In this paper the beginning, the development and the planned growth of the iron and steel plant in Zenica is presented with periods of success and periods of crisis. Key words: Iron and Steel Plant Zenica, developmentr, pig iron, steel. Proizvodne naprave za grodelj in jeklo so pogosto zgrajene na le`i{~ih `elezove rude in premoga. Sredi{~e proizvodnje jekla v Bosni in Hercegovini ter v nekdanji Jugoslaviji je bilo v @elezarni Zenica, danes Arcelor Mittal Zenica. V tem sestavku so predstavljeni za~etek, razvoj in na~rtovana rast @elezarne Zenica z obdobji krize in uspeha. Klju~ne besede: @elezarna Zenica, razvoj, grodelj, jeklo advantage of road and railway communications along the 1 INTRODUCTION Bosna valley.