Diffusion of carbon-what depth would the concentration

Assignment Help Mechanical Engineering
Reference no: EM13708164

Diffusion of carbon into BCC iron for 12 hours at a temperature of 5000C results in a carbon concentration of 0.2 wt% at a depth 2 mm from the surface. At what depth would the concentration be 0.2 wt%, if the diffusion occurred for 6 hours at 8000C?

Reference no: EM13708164

Questions Cloud

Evaluate maximum stress and total contraction of height : For a tall column resting on the ground, axial stress develops due to the columns weight. (a) Derive the stress as a function of position z measured from the bottom of the column, and the total contraction of the column.
Liquid nitrogen in equilibrium with nitrogen vapor : A system consists of liquid nitrogen in equilibrium with nitrogen vapor. How many phases are present? The system undergoes a process during which all of the liquid is vaporized. Can the system be viewed as a pure substance during the process? Explain..
Thin walled tube with closed ends has an inside radius : A thin walled tube with closed ends has an inside radius of 80mm and a wall thickness of 6 mm. It is subjected to an internal pressure of 20 MPa, a torque of 60 kN*m, and an axial compressive force of 200 kN. Determine the maximum normal stress and t..
Calculate the amount of heat transfer for the processes : Two kilograms of Refrigerant 134a, initially at 200 kPa and occupying a volume of 0.11874 m3, undergoes a process at constant pressure until the volume has doubled. Kinetic and potential energy effects are negligible.
Diffusion of carbon-what depth would the concentration : Diffusion of carbon into BCC iron for 12 hours at a temperature of 5000C results in a carbon concentration of 0.2 wt% at a depth 2 mm from the surface. At what depth would the concentration be 0.2 wt%, if the diffusion occurred for 6 hours at 8000C?
Reduce the mass of an aluminium bulkhead for a spacecraft : In an effort to reduce the mass of an aluminium bulkhead for a spacecraft, a machinist drills an array of holes in the bulkhead. The bulkhead is a triangular-shaped plate with a base and height of 2.5 m and 1.6 m, respectively, and a thickness of 7 m..
Determine the axial stress required to induce this strain : An aluminium bar is subjected to uniaxial tensile loading. If the lateral strain (perpendicular to the load direction) is measured to be -0.00025, determine the axial stress required to induce this strain (round to the nearest ksi).
Maximum normal stress and the maximum shear stress : A thin walled tube with closed ends has an inside radius of 80mm and a wall thickness of 6 mm. It is subjected to an internal pressure of 20 MPa, a torque of 60 kN*m, and an axial compressive force of 200 kN. Determine the maximum normal stress and t..
Determine the volumetric flow rates at the inlet and exit : Refrigerant 22 enters an insulated compressor operating at steady state as saturated vapor at - 16 C with a mass flow rate of 1.5 kg/s. Refrigerant exits at 7 bar, 70 C. Changes in KE and PE from inlet to exit can be ignored. Determine: (a) the volum..

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  Package design

Package Design Brief: Assume you are the packaging engineer for a large consumer products company. In this company, the Packaging Design Briefs are initiated by the marketing group and forwarded to the Package Engineering group.

  Mechanical engineering questions

Define dynamic viscosity, Determine the centroid, Pressure due to the height of liquid, Advantage of changing the liquid, Calculate the total moment about the hinge of the seal gate.

  Automatic control

DOF system and Find the differential equation describing the system

  Write a paper on boyle''s law

Write a paper on Boyle's law and describe Compression and Combustion stroke . Also explain Charles's law and illustrate SI engine and CI engine.

  Verify the law for parallelogram of forces

To Verify the law for parallelogram of forces, law for triangle of forces and law of polygon of forces. These laws are very useful to calculate unknown forces in very short time.

  Discharge pressure of the compressor

What is the discharge revised discharge pressure of the compressor.

  The Case for Global Accounting Standards

The role of IFRS in both developing and developed capital markets.

  Wind turbine

Wind turbines are becoming more and more common as a method of energy production, wind turbines by their very nature are dynamic and are subject to and create their own internal and external kinematics and kinetics.

  Advanced design methodologies

8 x product engineering and design review (week 2 – 12), ~3 pages per item which must contain a brief description of the product then delve into concepts such as materials selection, manufacturing methods, life cycle analysis, recyclability and overa..

  Design of absorption column and the cooler

Design of absorption column and the cooler. Process design of other units should be completed along with pipe sizes.

  Determine the maximum total bending moment

Determine maximum total bending moment (static plus dynamic) of the beam under steady-state conditions.

  Force of the water on the gate

Determine the magnitude of the horizontal and vertical components of the force of the water on the gate.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd