1. What is wrought iron in gray? 2.  Why does gray cast iron lack tensile strength? 3. What can you do to give gray wrought iron a little toughness?

Q: 2) Classify the cast irons and write what you know about the gray (lamellar graphite) cast irons.

A:

Q: What physical reasons why reducing grain size is an effective alternative for increasing the…

A: Smaller grains have greater ratios of surface area to volume, which means a greater ratio of grain…

Q: Compact Graphite cast iron was obtained from fast cooling rates. O F Strength and ductility of…

A: The above question we have to given  solutions

Q: Q1/ (a) How are steel classified as low carbon, medium carbon, high carbon steels? Give application…

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Q: in a tabular format compare microstructure,for different cast irons and steel

A: Types Nature Form Comments Ferrite Soft and ductile In the form of flakes   Cementite(Fe3C)…

Q: Why does chromium in stainless steel make them more corrosion resistant in many environments than…

A: Stainless steel has a Chromium substance of 15-25% alongside iron and carbon alloy to a major…

Q: Draw a diagram of the gray and nodular gray cast iron's substructure. 2. Comment on the gray…

A: Given data:- gray and nodular gray cast iron gray wrought iron's To be explained:- Draw a diagram…

Q: Why does the tensile strength of steel, which contains only austenite at room temperature, differ…

A: Ans 1:-The final microstructural change in hot deforming process  of steel is the transformation…

Q: 1.What are the properties of cast iron affected by? 2. Why are alloying elements added to cast iron?

A: Cast iron is defined as an alloy of iron that contains 2 to 4 % carbon, in which there are varying…

Q: Is it true that Martensite is tempered because it is too strong? Why or Why not

A: Initially, martensite is harder and brittle phase when  steel is sudden cool down. When the hardness…

Q: How a heat treatment process needs to be carried out to obtain a   martensite structure in steel?

A: Martensite form is a hard phase of steel. To obtain martensite structure the steel is heated to a…

Q: Explain following terms Stainless Steels, Tool Steels and HSLA.

A: Stainless Steels. Iron and the most common iron alloy, steel, are from a corrosion viewpoint…

Q: What are the different types of alloys? Explain their differences.  Give one example of each type.

A: ALLOY is a metal made by combining two or more metallic elements, especially to give greater…

Q: What is the carbon concentration of an iron-carbon alloy just below the eutectoid for which the…

A: Given: Fraction of total ferrite, mα = 0.8 Required: Co ( carbon concentration of an iron carbon…

Q: Is it correct to say Thick pearlite is not as strong as thin pearlite?

A: Thick pearlite is also known as coarse pearlite. And thin pearlite is known as fine pearlite.

Q: a) Pure metals usually do not possess the right properties for most structural applications;…

A:

Q: b) What are the types of cast iron according to their microstructure? Explain with drawing.

A: To explain: The types of cast iron according to their microstructure. Explanation: The types of the…

Q: What are the properties of Alloy Steel and brief descriptions of it?

A: an alloy steel  may be defined as carbon steel to  which one or more elements are added so that it…

Q: Slowly cooled in furnace from 800 oC. 2- Cooled in air from 800 oC. 3-Quenched from 900 oC in water.

A: For solution refer below images.

Q: You have a SAE 1020 material that you austenize and then rapid quench the final phase would be a…

A:

Q: Plot the Iron-Iron Carbide phase diagram and indicate all phases and critical temperatures.

A: Phase Diagram-it is a  graphical representation  of the effect of temperature and composition upon…

Q: How is the modulus of elasticity of an aluminum alloy affected by the composition of alloying…

A: Aluminum alloy:The aluminum alloy is the combination of aluminum and other metals such as copper,…

Q: The stress/strain curve behavior for annealed and recrystallized metals can be described as…

A:

Q: What is the role of austenitic gram size in martensitic transformations? Is austenitic grain size is…

A: Austenitic gram size The austenite grain is around 1–2 μm after the intercritical receding stage,…

Q: Hello I have just a quick question I was wondering an expert could answer. Would you happen to know…

A: A BHN of 103.262 for an aluminum alloy suggests that it has a relatively moderate hardness. However,…

Q: the transformation of a hypereutectoid plain-carbon

A: Required transformation of a hypereutectoid plain-carbon steel (0.4 percent C) with slow cooling.

Q: What is the marcosopic structure of metallic in low carbon and then high carbon steels .

A: Given data:-  low carbon steels :-Low carbon steels contain less than 0.3% carbon high carbon…

Q: As the magnesium content of compacted iron increases, the graphite nodularity.

A: Answer is Increases.

Q: Suppose you wanted to have two samples of NiTi wire: one that is in the high-temperature austenite…

A: The high-temperature phase at 0 °C of the NiTi alloy is termed as Austenite. It tends to transform…

Q: While there is about 2 times difference between tensile and compression strength in DD with spheroid…

A: (1) The strength of any material depends on the internal structure the materials. The difference…

Q: List two processes (annealing, quenching hot work, carburizing, ion exchange, cold rolling,…

A: Following are the processes - Precipitation heat treatment - This method helps to increase the…

Q: What is it you want to find out about specific heat of Copper lead and Aluminum?

A: Let's first understand the concept of specific heat The specific heat capacity of a substance is…

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: 1- Edeg dislocations and screw dislocations. 2- Eutectic reaction and Eutectoid reaction. 3-Ferritic…

A:

Q: Describe and compare between "Malleable Cast Iron" and "Pearlitic Malleable Castle Iron" with…

A: Cast iron is an alloy of iron, that has a carbon content of more than 1.7%. Commercially available…

Q: 3. Briefly describe the production of the following cast irons i. white iron ii. malleable iron

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Q: Iron carbon phase diagram extends up to 6.7% carbon only, why? (Mention two reasons)Single line…

A: Iron carbond diagram is also called as iron-iron carbide(Fe3C) phase equilibrium diagram. here as…

Q: Individual study skills:   Based on the micro structures, if parentage of carbon increased in plain…

A: Steels are the alloys with composition mainly carbon and iron and other constituents such as Ni, Cr,…

Q: What is the appropriate proportion of aluminum in the bronze alloy to make this alloy hardenable by…

A: For the heat treatment of aluminium bronze alloy ,it should contain more than 9.5% of aluminum with…

Q: Describe the process conditions necessary to create a)a cored microstructure

A:

Terminology in Metal Alloys

Metal is the pure chemical element you would find on the periodic table. 91 of the 118 elements on the periodic table are metals – which make them some of the most plentiful elements in the world.