Phase Transformations in Materials Engineering

A ______ refers to a physically homogeneous state of matter where the phase has a certain chemical composition, and a distinct type of atomic bonding and arrangement of elements.

Forming one or more ______ from a different phase is called a phase transformation.

Phase transformation is a change from one ______ (solid, liquid, gas, or plasma) to another without a change in chemical composition.

Phase transformation have a major impact on the material ______ of engineering materials.

The development of these set of desirable mechanical ______ for a material often results from a phase transformation by a heat treatment process.

The time and temperature dependencies of some phase transformations are conveniently represented on modified ______ diagrams.

It is important to know how to use these ______ diagrams in order to design a heat treatment procedure for some alloys that will yield the desired room-temperature mechanical properties.

Phase transformation take place by one of the three routes: ______, interface-controlled, and diffusionless.

Tensile strength of iron-carbon alloy of ______ composition can be varied between 700 MPa and 2000 MPa depending on heat treatment employed.

The three phases of matter are ______, Liquid, and Vapour.

[Blank] transformation involves no change in number of composition of the phases present.

The ______ phase rule is a key concept in understanding phase transformations.

In a ______ transformation, a metastable phase is produced.

Students are not allowed to leave the room after lectures have ______.

The objective of the course is to develop an understanding of why ______ and microstructures undergo changes.

The course covers the topic of ______ and ternary phase diagrams.

Attendance records will be kept and used to determine each person’s qualification to sit for the final ______.

First and second-order transformations are classified based on ______ aspects of phase transformations.

Homework will be assigned roughly once a ______.

Students must be DECENTLY ______ for all lectures.

Food and drinks are not permitted in the ______ room.

Students should turn off all electronic devices (including mobile phones) and STORED AWAY (should not be ______) during lectures.

A member in the group will be chosen at random to partake in an ______ Quiz based on any of the assignments.

In case of illness or other unavoidable cause of absence, the student must communicate as soon as possible with the course instructor indicating the reason for the ______.

A system that allows the exchange of energy and ______ is called an open system.

The number of variables required to define a system in a phase diagram is known as the ______.

[Blank] properties are those that are dependent on the size of the system, such as volume and mass.

A ______ is a portion of a system that has uniform physical and chemical characteristics.

A ______ system is one in which every property of the system is constant, regardless of the coordinates of the system.

In a solution, the ______ is the minor component, while the ______ is the major component.

A ______ transformation occurs when a two-component single-phase liquid is cooled and transforms into two solid phases.

A system with two or more phases is called a ______ system.

Liquid crystals are a state of matter which has properties between those of conventional liquids and those of solid ______.

A material may undergo various ______ changes during processing.

The solubility limit of a component in a ______ is the maximum amount of the component that can be dissolved in it.

A phase change may include ______, vaporization, sublimation, transformation, crystallization, or the chemical formation of a compound.

A diffusionless transformation is a ______ change that occurs without the long-range diffusion of atoms.

Component refers to the ______ or compounds which are present in the alloy.