Single-crystal technology is applied to nickel alloys that areused as gas turbine blades in aerospace engines. With the aidof sketches describe how a single-crystal casting can bemanufactured and explain why a single-crystal casting is likelyto have superior creep resistance than a directly-solidified one.Demonstrate the application of the Ten-percent Rule bycalculating the approximate tensile strength and elasticmodulus in the 0° direction of a carbon-fibre reinforced polymercomposite if the strength and elastic modulus in the 0' singleply are 3620 MPa and 143 GPa respectively. The lay-upsequence of the composite is [0,/+45/-45/90-],.

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Single-crystal technology is applied to nickel alloys that are used as gas turbine blades in aerospace engines. With the aid of sketches describe how a single-crystal casting can be manufactured and explain why a single-crystal casting is likely to have superior creep resistance than a directly-solidified one.

Single-crystal technology is applied to nickel alloys that are used as gas turbine blades in aerospace engines. With the aid of sketches describe how a single-crystal casting can be manufactured and explain why a single-crystal casting is likely to have superior creep resistance than a directly-solidified one.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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Concept explainers

Solidification of metals

The term solidification indicates the conversion of material from the state of liquid to the state of solid. The solid-state is more compact and rigid than liquid, and the solidification indicates the transformation of material from a random state to a more compact and crystalline form. The point at which dendrite formation in liquid starts taking place is referred to as the solidification point.

Question

Single-crystal technology is applied to nickel alloys that are
used as gas turbine blades in aerospace engines. With the aid
of sketches describe how a single-crystal casting can be
manufactured and explain why a single-crystal casting is likely
to have superior creep resistance than a directly-solidified one.
Demonstrate the application of the Ten-percent Rule by
calculating the approximate tensile strength and elastic
modulus in the 0° direction of a carbon-fibre reinforced polymer
composite if the strength and elastic modulus in the 0' single
ply are 3620 MPa and 143 GPa respectively. The lay-up
sequence of the composite is [0,/+45/-45/90-],.

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Nickel-based alloys are used for gas turbine blades in aerospace engines. Briefly discuss the characteristics that make these alloys the choice for this application. Single-crystal technology is applied to nickel alloys that are used as gas turbine blades in aerospace engines. With the aid of sketches describe how a single-crystal casting can be manufactured and explain why a single-crystal casting is likely to have superior creep resistance than a directly-solidified one. Demonstrate the application of the Ten-percent Rule by calculating the approximate tensile strength and elastic modulus in the 0° direction of a carbon-fibre reinforced polymer composite if the strength and elastic moduluş in the 0° single ply are 3620 MPa and 143 GPa respectively. The lay-up sequence of the composite is [02/+45/-45/902]s.