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2024-05-16来源：编辑
Aluminum alloy and magnesium alloy comparison
Magnesium Abbreviations: Mg, the chemical code: Mg; magnesium metal body belong to cubic lattice, can bear the limited deformation.
Scientists in Russia in 1869 Mendeleev's first periodic table in chemistry at the metal sodium (Na) elements and metals (AL) elements
Between, from the periodic table shows that all three belong to the same metal, but the elemental characteristics of a great difference of easy understanding, the lively nature of the metal: Na> Mg> AL; from easy view oxidizing Na> Mg> AL. Lively experiment metal case, cut a small fast sodium metal on the water as soon as we can see a fireball at the water on fast-moving, the reality is that Na and water at room temperature on the occurrence of oxidation reaction to generate sodium hydroxide and hydrogen. Therefore vulnerable to oxidation from the perspective of Na> Mg> AL.
Concept Note: The aluminum alloy is usually described by more than 95% content of aluminum, are from other parts of magnesium and other trace elements in the alloy as the alloy composition; that magnesium alloy is from about 90% of the magnesium content is about 10% of the composition of aluminum and Zinc alloy known as magnesium alloy. Magnesium alloy and aluminum alloy main parameters as follows:
Magnesium Alloy Aluminum Alloy
Proportion of the density of 1.79 g/cm3 2.74 g/cm3
Tensile strength 220 MPa 320 MPa
RB anti-fatigue strength of 60 MPa 145 MPa
Elastic modulus of 45GPa 72GPa
1; proportion density Description: equal volume of magnesium alloy under the conditions of the quality of light than the aluminum alloy, which are the advantages of magnesium alloys.
2; tensile strength Description: the same volume of material made of magnesium alloy frame strength than aluminum alloy frame to achieve the strength to be increased in thickness and tube material by, so from the perspective of the weight of aluminum alloy to compare with any magnesium alloy advantage.
3; anti-fatigue Description: the same volume of material made of magnesium alloy frame durability than aluminum alloy frame bad. Magnesium alloy is also fatally flawed. With the number of cycling more, stress is also the higher the frequency of occurrence, intensity will be significantly reduced, or even frame Life expectancy does not exceed 2-3 years of professional riders so rarely used magnesium alloy frame, if the use of race, is calculated using the mileage to abandon the form of replacement.
4; elastic modulus Description: Materials made of magnesium alloy frame rigid aluminum alloy frame than the bad, the same thickness and diameter of the frame made in the actual riding will absorb more of the impact of trampling intensity riding efficiency.
5; metal oxidizing Description: on the periodic table of elements clearly show that magnesium alloy aluminum alloy more easily than the oxidation corrosion.
6; manufacturing costs Description: are lively because of magnesium alloy metal, manufacturing equipment and the environment so there is a higher demand, resulting in high manufacturing costs, production cost by far less than a bike frame and aluminum alloy frame.
Conclusion: The magnesium alloy because the proportion of the characteristics of density only in the space industry at present, military aircraft, 3C industry on the use of more.
Magnesium Abbreviations: Mg, the chemical code: Mg; magnesium metal body belong to cubic lattice, can bear the limited deformation.
Scientists in Russia in 1869 Mendeleev's first periodic table in chemistry at the metal sodium (Na) elements and metals (AL) elements
Between, from the periodic table shows that all three belong to the same metal, but the elemental characteristics of a great difference of easy understanding, the lively nature of the metal: Na> Mg> AL; from easy view oxidizing Na> Mg> AL. Lively experiment metal case, cut a small fast sodium metal on the water as soon as we can see a fireball at the water on fast-moving, the reality is that Na and water at room temperature on the occurrence of oxidation reaction to generate sodium hydroxide and hydrogen. Therefore vulnerable to oxidation from the perspective of Na> Mg> AL.
Concept Note: The aluminum alloy is usually described by more than 95% content of aluminum, are from other parts of magnesium and other trace elements in the alloy as the alloy composition; that magnesium alloy is from about 90% of the magnesium content is about 10% of the composition of aluminum and Zinc alloy known as magnesium alloy. Magnesium alloy and aluminum alloy main parameters as follows:
Magnesium Alloy Aluminum Alloy
Proportion of the density of 1.79 g/cm3 2.74 g/cm3
Tensile strength 220 MPa 320 MPa
RB anti-fatigue strength of 60 MPa 145 MPa
Elastic modulus of 45GPa 72GPa
1; proportion density Description: equal volume of magnesium alloy under the conditions of the quality of light than the aluminum alloy, which are the advantages of magnesium alloys.
2; tensile strength Description: the same volume of material made of magnesium alloy frame strength than aluminum alloy frame to achieve the strength to be increased in thickness and tube material by, so from the perspective of the weight of aluminum alloy to compare with any magnesium alloy advantage.
3; anti-fatigue Description: the same volume of material made of magnesium alloy frame durability than aluminum alloy frame bad. Magnesium alloy is also fatally flawed. With the number of cycling more, stress is also the higher the frequency of occurrence, intensity will be significantly reduced, or even frame Life expectancy does not exceed 2-3 years of professional riders so rarely used magnesium alloy frame, if the use of race, is calculated using the mileage to abandon the form of replacement.
4; elastic modulus Description: Materials made of magnesium alloy frame rigid aluminum alloy frame than the bad, the same thickness and diameter of the frame made in the actual riding will absorb more of the impact of trampling intensity riding efficiency.
5; metal oxidizing Description: on the periodic table of elements clearly show that magnesium alloy aluminum alloy more easily than the oxidation corrosion.
6; manufacturing costs Description: are lively because of magnesium alloy metal, manufacturing equipment and the environment so there is a higher demand, resulting in high manufacturing costs, production cost by far less than a bike frame and aluminum alloy frame.
Conclusion: The magnesium alloy because the proportion of the characteristics of density only in the space industry at present, military aircraft, 3C industry on the use of more.
