Nick Connor

About Ice

Ice is simply water frozen into a solid state. Depending on the presence of impurities such as particles of soil or bubbles of air, it can appear transparent or a more or less opaque bluish-white color.

Summary

Name	Ice
Phase	solid
Density	920 kg/m3
Ultimate Tensile Strength	2 MPa
Yield Strength	N/A
Young’s Modulus of Elasticity	9.1 GPa
Brinell Hardness	10 BHN
Melting Point	0 °C
Thermal Conductivity	2.22 W/mK
Heat Capacity	2040 J/g K
Price	1 $/kg

Composition of Ice

Ice is simply water frozen into a solid state. Virtually all the ice on Earth’s surface and in its atmosphere is of a hexagonal crystalline structure. Air also contains a variable amount of water vapor, on average around 1% at sea level, and 0.4% over the entire atmosphere.

Applications of Ice

Ice was used for cooling and food preservation for centuries, relying on harvesting natural ice in various forms and then transitioning to the mechanical production of the material. Ice also presents a challenge to transportation in various forms and a setting for winter sports. Types of commercial ice include block ice, cube ice, tube ice, flaked ice, plate ice, and shaved ice. It can be manufactured for an industrial application using special equipment. There are large ice factories that make tones of ice for commercial use in a day. Here, let us discuss how ice is made and the commercial industries that mostly use it.

Mechanical Properties of Ice

Strength of Ice

In mechanics of materials, the strength of a material is its ability to withstand an applied load without failure or plastic deformation. Strength of materials basically considers the relationship between the external loads applied to a material and the resulting deformation or change in material dimensions. In designing structures and machines, it is important to consider these factors, in order that the material selected will have adequate strength to resist applied loads or forces and retain its original shape.

Strength of a material is its ability to withstand this applied load without failure or plastic deformation. For tensile stress, the capacity of a material or structure to withstand loads tending to elongate is known as ultimate tensile strength (UTS). Yield strength or yield stress is the material property defined as the stress at which a material begins to deform plastically whereas yield point is the point where nonlinear (elastic + plastic) deformation begins. In case of tensional stress of a uniform bar (stress-strain curve), the Hooke’s law describes behaviour of a bar in the elastic region. The Young’s modulus of elasticity is the elastic modulus for tensile and compressive stress in the linear elasticity regime of a uniaxial deformation and is usually assessed by tensile tests.

See also: Strength of Materials

Ultimate Tensile Strength of Ice

Ultimate tensile strength of Ice is 2 MPa.

Yield Strength of Ice

Yield strength of Ice is N/A.

Modulus of Elasticity of Ice

The Young’s modulus of elasticity of Ice is 9.1 MPa.

Hardness of Ice

In materials science, hardness is the ability to withstand surface indentation (localized plastic deformation) and scratching. Brinell hardness test is one of indentation hardness tests, that has been developed for hardness testing. In Brinell tests, a hard, spherical indenter is forced under a specific load into the surface of the metal to be tested.

The Brinell hardness number (HB) is the load divided by the surface area of the indentation. The diameter of the impression is measured with a microscope with a superimposed scale. The Brinell hardness number is computed from the equation:

Brinell hardness of Ice is approximately 10 BHN (converted).

See also: Hardness of Materials

Thermal Properties of Ice

Ice – Melting Point

Melting point of Ice is 0 °C.

Note that, these points are associated with the standard atmospheric pressure. In general, melting is a phase change of a substance from the solid to the liquid phase. The melting point of a substance is the temperature at which this phase change occurs. The melting point also defines a condition in which the solid and liquid can exist in equilibrium. For various chemical compounds and alloys, it is difficult to define the melting point, since they are usually a mixture of various chemical elements.

Ice – Thermal Conductivity

Thermal conductivity of Ice is 2.22 W/(m·K).

The heat transfer characteristics of a solid material are measured by a property called the thermal conductivity, k (or λ), measured in W/m.K. It is a measure of a substance’s ability to transfer heat through a material by conduction. Note that Fourier’s law applies for all matter, regardless of its state (solid, liquid, or gas), therefore, it is also defined for liquids and gases.

The thermal conductivity of most liquids and solids varies with temperature. For vapors, it also depends upon pressure. In general:

Most materials are very nearly homogeneous, therefore we can usually write k = k (T). Similar definitions are associated with thermal conductivities in the y- and z-directions (ky, kz), but for an isotropic material the thermal conductivity is independent of the direction of transfer, kx = ky = kz = k.

Ice – Specific Heat

Specific heat of Ice is 2040 J/g K.

Specific heat, or specific heat capacity, is a property related to internal energy that is very important in thermodynamics. The intensive properties c_v and c_p are defined for pure, simple compressible substances as partial derivatives of the internal energy u(T, v) and enthalpy h(T, p), respectively:

where the subscripts v and p denote the variables held fixed during differentiation. The properties c_v and c_p are referred to as specific heats (or heat capacities) because under certain special conditions they relate the temperature change of a system to the amount of energy added by heat transfer. Their SI units are J/kg K or J/mol K.

Properties and prices of other materials

material-table-in-8k-resolution

About Water

Water is a transparent and nearly colorless substance composed of the chemical elements hydrogen and oxygen, that are connected by covalent bonds. On Earth, water exists in gaseous (steam or water vapor), liquid, and solid states (ice). It is one of the most plentiful and essential of compounds and it is the main constituent of Earth’s streams, lakes, and oceans, and the fluids of most living organisms.  It is vital for all known forms of life.

Summary

Name	Water
Phase	liquid
Density	997 g/cm3
Ultimate Tensile Strength	N/A
Yield Strength	N/A
Young’s Modulus of Elasticity	N/A
Brinell Hardness	N/A
Melting Point	0 °C
Thermal Conductivity	0.598 W/mK
Heat Capacity	4200 J/g K
Price	N/A

Composition of Water

Chemically pure water (H2O) contains two elements – hydrogen and oxygen. But in nature such water does not exist and always contains various substances from the air or surface, such as CO2.

Applications of Water

Water is necessary for human survival. But it is used in industry, agriculture, chemistry and energy production. In nuclear engineering is water using as a reactor coolant, a moderator or a neutron shielding.

Thermal Properties of Water

Water – Melting Point

Melting point of Water is 0 °C.

Note that, these points are associated with the standard atmospheric pressure. In general, melting is a phase change of a substance from the solid to the liquid phase. The melting point of a substance is the temperature at which this phase change occurs. The melting point also defines a condition in which the solid and liquid can exist in equilibrium. For various chemical compounds and alloys, it is difficult to define the melting point, since they are usually a mixture of various chemical elements.

Water – Thermal Conductivity

Thermal conductivity of Water is 0.598 W/(m·K).

The heat transfer characteristics of a solid material are measured by a property called the thermal conductivity, k (or λ), measured in W/m.K. It is a measure of a substance’s ability to transfer heat through a material by conduction. Note that Fourier’s law applies for all matter, regardless of its state (solid, liquid, or gas), therefore, it is also defined for liquids and gases.

The thermal conductivity of most liquids and solids varies with temperature. For vapors, it also depends upon pressure. In general:

Most materials are very nearly homogeneous, therefore we can usually write k = k (T). Similar definitions are associated with thermal conductivities in the y- and z-directions (ky, kz), but for an isotropic material the thermal conductivity is independent of the direction of transfer, kx = ky = kz = k.

Water – Specific Heat

Specific heat of Water is 4200 J/g K.

Specific heat, or specific heat capacity, is a property related to internal energy that is very important in thermodynamics. The intensive properties c_v and c_p are defined for pure, simple compressible substances as partial derivatives of the internal energy u(T, v) and enthalpy h(T, p), respectively:

where the subscripts v and p denote the variables held fixed during differentiation. The properties c_v and c_p are referred to as specific heats (or heat capacities) because under certain special conditions they relate the temperature change of a system to the amount of energy added by heat transfer. Their SI units are J/kg K or J/mol K.

 

 

Properties and prices of other materials

material-table-in-8k-resolution

About Air

Air is a mixture of nitrogen, oxygen, argon, carbon dioxide, water vapour, and other trace elements. The atmosphere of Earth is the layer of gases, commonly known as air, retained by Earth’s gravity, surrounding the planet Earth and forming its planetary atmosphere.

Summary

Name	Air
Phase at STP	gas
Density	1.23 kg/m3
Ultimate Tensile Strength	N/A
Yield Strength	N/A
Young’s Modulus of Elasticity	N/A
Brinell Hardness	N/A
Melting Point	N/A
Thermal Conductivity	0.025 W/mK
Heat Capacity	1006 J/g K
Price	N/A

Composition of Air

In engineering calculations, dry air is simplified to be a mixture of nitrogen, oxygen, and argon, and the corresponding mole fractions are 0.7812, 0.2096 and 0.0092, respectively. Air also contains a variable amount of water vapor, on average around 1% at sea level, and 0.4% over the entire atmosphere.

Applications of Air

Air is a natural resource and is available abundantly. It is an essential element of nature that support life on earth. Air is equally important for living organisms for their survival just like water. Air is very useful and has many applications. Uses of air are as follows: sustain life and growth, combustion, maintaining temperature, supplier of energy, photosynthesis. Air and other gases are generally good insulators, in the absence of convection. Therefore, many insulating materials (e.g.polystyrene) function simply by having a large number of gas-filled pockets which prevent large-scale convection. Alternation of gas pocket and solid material causes that the heat must be transferred through many interfaces causing rapid decrease in heat transfer coefficient.

 

Thermal Properties of Air

Air – Melting Point and Boiling Point

Melting point of Air is N/A.

Boiling point of Air is N/A.

Note that, these points are associated with the standard atmospheric pressure.

Air – Thermal Conductivity

Thermal conductivity of Air is 0.025 W/(m·K).

The heat transfer characteristics of a solid material are measured by a property called the thermal conductivity, k (or λ), measured in W/m.K. It is a measure of a substance’s ability to transfer heat through a material by conduction. Note that Fourier’s law applies for all matter, regardless of its state (solid, liquid, or gas), therefore, it is also defined for liquids and gases.

Coefficient of Thermal Expansion of Air

Linear thermal expansion coefficient of Air is N/A.

Thermal expansion is generally the tendency of matter to change its dimensions in response to a change in temperature. It is usually expressed as a fractional change in length or volume per unit temperature change.

Air – Specific Heat, Latent Heat of Fusion, Latent Heat of Vaporization

Specific heat of Air is 1006 J/g K.

Heat capacity is an extensive property of matter, meaning it is proportional to the size of the system. Heat capacity C has the unit of energy per degree or energy per kelvin. When expressing the same phenomenon as an intensive property, the heat capacity is divided by the amount of substance, mass, or volume, thus the quantity is independent of the size or extent of the sample.

Latent Heat of Fusion of Air is N/A.

Latent Heat of Vaporization of Air is N/A.

Latent heat is the amount of heat added to or removed from a substance to produce a change in phase. This energy breaks down the intermolecular attractive forces, and also must provide the energy necessary to expand the gas (the pΔV work). When latent heat is added, no temperature change occurs. The enthalpy of vaporization is a function of the pressure at which that transformation takes place.

Properties and prices of other materials

material-table-in-8k-resolution

About Tungsten Carbide

Tungsten Carbide is a very dense carbide containing equal parts of tungsten and carbon atoms. In its most basic form, tungsten carbide is a fine gray powder, but it can be pressed and formed into shapes through a process called sintering for use in industrial machinery, cutting tools, abrasives, armor-piercing shells and jewellery. Tungsten carbide is approximately twice as stiff (high modulus of elasticity) as steel. Tungsten carbide has very high impact resistance and it has very high strength for a material so hard and rigid. Compressive strength is higher than virtually all melted and cast or forged metals and alloys. With temperature increase to 1400°F, tungsten carbide retains much of its room temperature hardness.

Summary

Name	Tungsten Carbide
Phase at STP	solid
Density	14500 kg/m3
Ultimate Tensile Strength	370 MPa
Yield Strength	330 MPa
Young’s Modulus of Elasticity	600 GPa
Brinell Hardness	25000 BHN
Melting Point	2867 °C
Thermal Conductivity	110 W/mK
Heat Capacity	292 J/g K
Price	300 $/kg

Composition of Tungsten Carbide

Tungsten Carbide is prepared by reaction of tungsten metal and carbon at 1400–2000 °C. Powdered tungsten carbide is mixed with another powdered metal, usually cobalt can be pressed and formed into shapes through a process called sintering. Sintering is usually carried out below the melting temperature, so that a liquid phase is normally not present. Sintering is often chosen as the shaping process for materials with extremely high melting points such as tungsten, molybdenum or uranium dioxide ceramics.

Applications of Tungsten Carbide

Mining and mineral processing demand wear-resistant machines and components, because the energies and masses of interacting bodies are significant. For this purposes, materials with the highest wear-resistance must be used. For example, Tungsten Carbide is used extensively in mining in top hammer rock drill bits, downhole hammers, roller-cutters, long wall plough chisels, long wall shearer picks, raiseboring reamers, and tunnel boring machines. The cemented composites of tungsten carbide-cobalt are known by many different trade names, including Widia and Carboloy.

Mechanical Properties of Tungsten Carbide

Strength of Tungsten Carbide

In mechanics of materials, the strength of a material is its ability to withstand an applied load without failure or plastic deformation. Strength of materials basically considers the relationship between the external loads applied to a material and the resulting deformation or change in material dimensions. In designing structures and machines, it is important to consider these factors, in order that the material selected will have adequate strength to resist applied loads or forces and retain its original shape.

Strength of a material is its ability to withstand this applied load without failure or plastic deformation. For tensile stress, the capacity of a material or structure to withstand loads tending to elongate is known as ultimate tensile strength (UTS). Yield strength or yield stress is the material property defined as the stress at which a material begins to deform plastically whereas yield point is the point where nonlinear (elastic + plastic) deformation begins. In case of tensional stress of a uniform bar (stress-strain curve), the Hooke’s law describes behaviour of a bar in the elastic region. The Young’s modulus of elasticity is the elastic modulus for tensile and compressive stress in the linear elasticity regime of a uniaxial deformation and is usually assessed by tensile tests.

See also: Strength of Materials

Ultimate Tensile Strength of Tungsten Carbide

Ultimate tensile strength of Tungsten Carbide is 370 MPa.

Yield Strength of Tungsten Carbide

Yield strength of Tungsten Carbide is 330 MPa.

Modulus of Elasticity of Tungsten carbide

The Young’s modulus of elasticity of Tungsten Carbide is 600 MPa.

Hardness of Tungsten Carbide

In materials science, hardness is the ability to withstand surface indentation (localized plastic deformation) and scratching. Brinell hardness test is one of indentation hardness tests, that has been developed for hardness testing. In Brinell tests, a hard, spherical indenter is forced under a specific load into the surface of the metal to be tested.

The Brinell hardness number (HB) is the load divided by the surface area of the indentation. The diameter of the impression is measured with a microscope with a superimposed scale. The Brinell hardness number is computed from the equation:

Brinell hardness of Tungsten Carbide is approximately 25000 BHN (converted).

See also: Hardness of Materials

Thermal Properties of Tungsten Carbide

Tungsten Carbide – Melting Point

Melting point of Tungsten Carbide is 2867 °C.

Note that, these points are associated with the standard atmospheric pressure. In general, melting is a phase change of a substance from the solid to the liquid phase. The melting point of a substance is the temperature at which this phase change occurs. The melting point also defines a condition in which the solid and liquid can exist in equilibrium. For various chemical compounds and alloys, it is difficult to define the melting point, since they are usually a mixture of various chemical elements.

Tungsten Carbide – Thermal Conductivity

Thermal conductivity of Tungsten Carbide is 110 W/(m·K).

The heat transfer characteristics of a solid material are measured by a property called the thermal conductivity, k (or λ), measured in W/m.K. It is a measure of a substance’s ability to transfer heat through a material by conduction. Note that Fourier’s law applies for all matter, regardless of its state (solid, liquid, or gas), therefore, it is also defined for liquids and gases.

The thermal conductivity of most liquids and solids varies with temperature. For vapors, it also depends upon pressure. In general:

Most materials are very nearly homogeneous, therefore we can usually write k = k (T). Similar definitions are associated with thermal conductivities in the y- and z-directions (ky, kz), but for an isotropic material the thermal conductivity is independent of the direction of transfer, kx = ky = kz = k.

Tungsten Carbide – Specific Heat

Specific heat of Tungsten Carbide is 292 J/g K.

Specific heat, or specific heat capacity, is a property related to internal energy that is very important in thermodynamics. The intensive properties c_v and c_p are defined for pure, simple compressible substances as partial derivatives of the internal energy u(T, v) and enthalpy h(T, p), respectively:

where the subscripts v and p denote the variables held fixed during differentiation. The properties c_v and c_p are referred to as specific heats (or heat capacities) because under certain special conditions they relate the temperature change of a system to the amount of energy added by heat transfer. Their SI units are J/kg K or J/mol K.

Properties and prices of other materials

material-table-in-8k-resolution

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