Compared to annealing, strength of a metal after tempering is Select one: a. same b. none of the above C. higher d. lower

Q: The heat treatment that is used to remove the most hardness from steel is O a. quenching b.…

A: Annealing: It is a type of heat treatment process in which heat the steel up to a suitable…

Q: B- State the purpose of case hardening of steel?

A: As per our guidelines we are supposed to solve only one question if multiple questions are asked .…

Q: Explain tle heat breatment Cannealing nurmalizing stainless steel. hardening! of ond

A: Heat treatment :- Heat treatment is the process of heating the metal to a certain temperature and…

Q: Discuss the various stages in Quenching process with neat sketches.

A: Quenching is the surface treatment of metals in order to make them wear resistant and durable. The…

Q: etween gray cas

A: given: Give the difference between gray cast iron and nodular cast iron.

Q: rcentage in cast i

A: given:   What is carbon percentage in cast iron?

Q: n and lead?

A: GIVEN: What is alloy of tin and lead?

Q: Differentiate between equillibrium and non equillibrium cooling curve

A: The cooling curve is the graph showing phase change of material with respect to temperature of the…

Q: To get rid of the total residual stress in stee, treatment process is most suitable. heat O…

A: To get rid of the total residual stress in steel  heat treatment process is most suitable.  To…

Q: Hardness of steel greatly improves with

A: Hardness of steel greatly improves with Answer: a) Cyaniding

Q: Which one has weak welding ability? a) tin B) copper C) steel D) aluminum E) nickel 59) What would…

A:

Q: Hardness of steel greatly improves (a) annealing (c) normalising (b) cyaniding (d) tempering

A: As per given question Best heat treatment process forHardness of steel greatly improves

Q: A-What is the purpose of the following heat treatments?(mention two points only for each heat…

A: This question is based on heat treatment of material.

Q: According to the carbon content, carbon steel can be divided into

A: The basic constituents of the steel is iron and carbon with small amount of some other materials…

Q: Compare normalizing and hardening heat treatment processes .

A: To find: Compare normalizing and hardening heat treatment processes .

Q: In the steelmaking process, what is the difference of using the Basic Oxygen Furnace and the…

A: THERE IS SOME BASIC FEATURES WHICH MAKE A DIFFERENCE BETWEEN BASIC OXYGEN FURNACE AND THE ELECTRIC…

Q: Summarize how a steel is formed. Elaborate and explain thoroughly

A:

Q: In normalizing heat treatment process, the treated metal obtains

A: Solution:

Q: The process of reheating of the martensitic steel

A: Given; The process of reheating of the martensitic steel to reduce its brittleness without any…

Q: What method of case hardening uses ammonia gas?

A: Nitriding is the case hardening process in which ammonia gas is used . As ammonia gas is used it…

Q: Describe the phase transformation in tempering process

A: Given: Describe the phase transformation in tempering process.

Q: A steel case hardened by carburizing and quenching produces a Hard surface and tough core. Hard…

A:

Q: Examine a different metals and give new forms when alloying. Give at least 10 metal alloying.

A: Metal alloys combine a base metal with other elements to change its composition and strengthen its…

Q: A. What are annealing purposes?

A: We are suppose to solve only one question. Please post other question as a separate question.

Q: Ans. 4.44 x 10 rapid quenching from 800 K.

A:

Q: (a) Discuss two (2) importance of phase diagram in steel industries.

A: Phase diagram: It is a graphical representation of all the physical states of steel under different…

Q: Quench to from 800oC to 350oC and hold for 102 seconds: b: Quench the alloy to room temperature c:…

A:

Q: Name two kinds of equipment that are used for heating steel to a precise hardening temperature

A: Required :- Any two kinds of equipment which are used for heating steel to precise hardening…

Q: Alloying elements have a major influence on steel.

A: Manganese (Mn) – improves hardenability, ductility and wear resistance. Mn eliminates formation of…

Q: In white cast iron, the carbon is in combined form as .......... O cementite iron O silicon оос…

A:

Q: Which is/are used for annealing ferrous alloys? Check the right answers a) spheroidizing b)…

A: Annealing: It is a type of heat treatment process which is used to change the physical (Mechanical)…

Q: If there surface de-carburization during hot working, then it will result in_________. a. Smooth…

A: De-carburizing produces rough surface along with cracks in hot working..

Q: 1.Mention four quenchants and describe how each of them affect the strength of the material being…

A: Hello. Since your question has multiple parts, we will solve first question for you. If you want…

Q: Metal working: What is happening to the microstructure during the temper process?

A:

Q: The plain carbon steel is a good cholce for high strength application

A: Note: Since you have asked multiple question, we will solve the first question for you. If you want…

Q: Grey cast iron, which contains between 2.5 and 4% carbon, has all or most of its carbon is…

A: We have to choose answer the above question

Q: How does the tempering process effect hardness and ductility of the metal? a) hardness and…

A: Solution:   Note: Dear Student! As per our guidelines, we are only allowed to answer three sub-parts…

Q: How can some nonferrous metal alloys such as aluminum or Monel be hardened?

A: How can some nonferrous metal alloys such as aluminum or Monel be hardened?

Q: Compare the process to produce cast irons in Figures 4 (a) and (b). Justify why the cast iron in…

A: Yes, Figure b has more ductile than grey cast iron. The creation for pliable iron is more intricate…

Q: If the amount of the added carbon to pure iron is 2.2%C, its purity 78%, what is the expected…

A: We are to determine the percentage carbon in the final mixture

Q: With suitable sketch explain the heating and cooling curves for pure iron.

A: Given: Pure Iron To Find: With a suitable sketch explain the heating and cooling curves for pure…

Q: what does alloy's melting temperature will dictate?

A: Melting point:When the solid changes its state to liquid at some standard temperature referred as…

Q: sity of (001), (010) Iron?

A: Molecules can be pressed together thickly or freely. In glasslike materials, for example, metals,…

Q: Are there any procedures to prevent grain growth of heat affected zone (HAZ)?

A: Solution:

Q: Q/ Correct the under line words 14. Al-4%. Mg alloys are produced by extrusion because has high…

A: 1. Al-4% Mg alloy is produced by extrusion because having high strength 2. Mg-Zn-ZR  alloy is not…

Q: Why does the hardness decrease at 600 ° C after rising when the tempering process

A: Tempering is a heat treatment process, which is used to increase the toughness of iron based alloys.…