DeGarmo's Materials and Processes in Manufacturing
12th Edition
ISBN: 9781118987674
Author: J. T. Black, Ronald A. Kohser
Publisher: WILEY
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Textbook Question
Chapter 38, Problem 35RQ
What is the benefit of high-velocity oxyfuel spraying compared to the conventional oxyfuel process?
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Chapter 38 Solutions
DeGarmo's Materials and Processes in Manufacturing
Ch. 38 - What are some joining conditions where welding...Ch. 38 - What are some of the lower-temperature methods of...Ch. 38 - In what ways is a thermit weld similar to the...Ch. 38 - What is the source of the welding heat in thermit...Ch. 38 - For what types of applications might thermit...Ch. 38 - What is the source of the welding heat in...Ch. 38 - What are some of the various functions of the slag...Ch. 38 - Electroslag welding would be most attractive for...Ch. 38 - What is the source of heat in electron-beam...Ch. 38 - Why is a high vacuum required in the electron-beam...
Ch. 38 - What types of production limitations are imposed...Ch. 38 - What are the major assets and negative features of...Ch. 38 - What are some of the attractive features of...Ch. 38 - What is unique about the fusion zone geometry of...Ch. 38 - Describe the weld pool geometry and size of the...Ch. 38 - What is an autogenous weld?Ch. 38 - What might be necessary to permit the laser...Ch. 38 - What are some of the Ways in which laser-beam...Ch. 38 - What are the three common types of industrial...Ch. 38 - Which type of laser light can be transmitted...Ch. 38 - What are some of the attractive features of a...Ch. 38 - Why is laser-beam welding an attractive process...Ch. 38 - What are the attractive properties of hybrid...Ch. 38 - Prob. 24RQCh. 38 - What is the function of the assist gas in...Ch. 38 - What is the difference between exothermic cutting...Ch. 38 - Which type of laser is preferred for cutting...Ch. 38 - Prob. 28RQCh. 38 - Prob. 29RQCh. 38 - What features have made lasers a common means of...Ch. 38 - What are some of the attractive features of laser...Ch. 38 - What are some common objectives of surfacing...Ch. 38 - What types of materials are applied by surfacing...Ch. 38 - Prob. 34RQCh. 38 - What is the benefit of high-velocity oxyfuel...Ch. 38 - What are some of the arc or plasma techniques that...Ch. 38 - How is thermal spraying similar to surfacing? How...Ch. 38 - Prob. 38RQCh. 38 - Prob. 39RQCh. 38 - Provide a reasonable definition of brazing?Ch. 38 - What are some key differences between brazing and...Ch. 38 - What kinds of materials or combinations can be...Ch. 38 - What advantages can be gained by the lower...Ch. 38 - Why do brazed joints have an enhanced...Ch. 38 - What is the most important factor influencing the...Ch. 38 - How does capillary action relate to joint...Ch. 38 - Why is it necessary to adjust the initial...Ch. 38 - What is wettability? Fluidity? How do each relate...Ch. 38 - What are the two most common types of brazed...Ch. 38 - How do the butt-lap and scarf joint configurations...Ch. 38 - What are some important considerations when...Ch. 38 - What are some of the most commonly used brazing...Ch. 38 - Why are eutectic alloys attractive as brazing...Ch. 38 - What special measures should be taken when brazing...Ch. 38 - What are the three primary functions of a brazing...Ch. 38 - Why is it important to preclean brazing surfaces...Ch. 38 - How might braze metal be preloaded into joints?Ch. 38 - What is the purpose of brazing jigs and fixtures?Ch. 38 - 59- What are some factors to consider when...Ch. 38 - What are the advantages and disadvantages of torch...Ch. 38 - What is the primary attraction of furnace-brazing...Ch. 38 - Why might reducing atmospheres or a vacuum be...Ch. 38 - What are some of the attractive features of...Ch. 38 - Why is dip brazing usually restricted to use with...Ch. 38 - What are some of the attractive features of...Ch. 38 - Why is flux removal a necessary part of many...Ch. 38 - What benefits can be achieved through fluxless...Ch. 38 - How does braze welding differ from traditional...Ch. 38 - What is the primary difference between brazing and...Ch. 38 - What are the six steps of a soldering operation?Ch. 38 - Why is soldering unattractive if a high-strength...Ch. 38 - For many years, the most common solders have been...Ch. 38 - What is driving the conversion to lead-free...Ch. 38 - What are some of the difficulties encountered when...Ch. 38 - What are the two basic families of soldering flux?Ch. 38 - What are some of the more common heat sources for...Ch. 38 - Why is wave soldering attractive for making the...Ch. 38 - Describe the vapor-phase soldering process.Ch. 38 - A common problem with brazed or soldered joints is...Ch. 38 - When molten metal deposition is applied to a...Ch. 38 - Prob. 3P
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- List the four common variations of the conventional plasma cutting process and describe the benefits of each.arrow_forward* نقطة واحدة Stick" welding is a term sometimes" applied when referring to which one of :the following processes FCAWO GMAWO GTAW SMAW Oarrow_forward8) The electro-gas welding is different from electro-slag welding because in electro-gas welding Copper shoes are not used Heat is generated by electric arc Electrode used is of non-consumable type O Only thin sheets can be weldedarrow_forward
- What are the drawbacks of wet scrubbers?arrow_forward2) Which of the following is NOT true about friction stir welding? O It is a solid state process Fine grained structures can be obtained O It eliminates friction welding problems O It alters the chemical composition of the workpiecearrow_forward10)Which of the followings is true for LASER welding process? O It is a high heat input process O High reflectivity materials can be welded easily OA close control over process parameters is required for proper welding OVacuum conditions are requiredarrow_forward
- 1)a) Why is automation of the covered electrode arc source difficult?b) what properties is a metal with good resistance welding ability expected to have?c) Why is the heat transfer factor higher in arc welding processes with the consumed electrode than the methods used with the non-consumed electrode?d) Why is it important to weld thin and long instead of thick and short?e) why is it important that the source root is designed to be forced to press, not pull? 2) there is a characteristic liquid penetration error on a large piece of steel poured in the sand mold. The surface of the piece consists of a mixture of sand and metal.a) Explain at least 3 of the steps that can be taken to correct this error.b) what other types of casting errors may possibly occur in each of these steps? Explain 3) grain structure formed in part after casting;a) Describe by drawing a figure.b) what problems can this grain structure pose? Please explain. How can these problems be cured?4) explain two of the…arrow_forward3. SOLDERING, BRAZING and WELDING Define soldering Differentiate between the following; Soft soldering and hard soldering/silver soldering and Electronics soldering Identify filler rods and fluxes used in each (pg 290) Describe the process of tinning a bit 4. Describe the following welding processes and sketch and label the tool used (www.technologystudent.com) Metal Arc welding Tungturn Inert Gas welding Metal Inert Gas welding Spot welding 5. RIVETS AND RIVETING Snap head riveting procedure Pop riveting procedure 6. NUTS and BOLTS Types of nuts Types of bolts Types of washers 7. FITTINGS Examples and be able to identify by sight and be able to sketch a) Hinges (butt hinge, backflap,piano hinge, stays, etc) b)Catches (Magnetic, ball, spring) c) Locksarrow_forwardWhat is a reluctor?arrow_forward
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