New method for measuring alloy boiling point-method of loss of weight

A new method, the technology of the weight loss method, is applied in the direction of measuring devices, material weighing, instruments, etc., and can solve problems such as the inability to determine the boiling point of alloys

Inactive Publication Date: 2003-09-24
DALIAN UNIV OF TECH
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At the same time, it solves the problem that the...

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  • New method for measuring alloy boiling point-method of loss of weight
  • New method for measuring alloy boiling point-method of loss of weight
  • New method for measuring alloy boiling point-method of loss of weight

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Embodiment Construction

[0013] The best embodiment for realizing the present invention will be described in detail below in conjunction with the accompanying drawings.

[0014] Step 1. Drill powder chips from the melted Mg-Mn alloy ingot.

[0015] Step 2. Take 0.2 grams of Mg-Mn alloy powder chips on the FA1004 electronic balance, put it into the dried porcelain boat (5), and weigh the total weight (M1) of alloy powder and porcelain boat (5) .

[0016] Step 3. Place the porcelain boat (5) containing the alloy powder in the porcelain tube (2) in the high temperature furnace (3), and pass high-purity Argon gas, when the air in the porcelain tube (2) is exhausted, keep the argon gas flow rate at 1-2L / min, the high temperature furnace (3) heats up rapidly, after reaching the predetermined temperature, keep it warm for 10 minutes, then stop heating, in the argon Under gas protection, the porcelain boat (5) is rapidly lowered to room temperature along with the high-temperature furnace (3).

[0017] Step...

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Abstract

The method for measuring alloy property boiling point-weight has method adopted the following steps: using precision balance to weight small quantity of tested alloy powder, placing the alloy powder into a porcelain boat, weighing total weight of alloy powder and porcelain boat, placing them into a porcelain pipe in high-temp. furnace, under the condition of argon protection and constant pressurequickly-heating to predefined temp., heat-insualting for 10-30 min., then quickly-cooling to room temp., then weight the total weight of porcelain boat and residual alloy powder and resolving evaporated quantity, according to the evaporated loss weight quantity measured at several temp. points calcualting evaporated loss weight percentage content and drawing temp.-evaporated percentage content curve.

Description

technical field [0001] The invention belongs to the technical field of manufacturing metal engineering materials, in particular to a method for testing the boiling point of alloy properties. Background technique [0002] Magnesium alloy is currently the lightest structural material. It has high specific strength, specific stiffness, and good shock absorption. It has been widely used in aerospace, automobile manufacturing, communications, optical instruments, and computer manufacturing. Welding forming method is widely used in magnesium alloy components. However, there are also some shortcomings in the performance of magnesium that restrict its development, such as being easy to oxidize and burn in the air, which causes great problems in the welding process of magnesium alloy components. During the welding process, due to the combustion and evaporation of magnesium, the composition of the weld zone changes, which makes the composition, structure and performance of the weld z...

Claims

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Application Information

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IPC IPC(8): G01N5/00G01N25/08
Inventor 刘顺华刘黎明刘斌
Owner DALIAN UNIV OF TECH
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