Method for testing chemical components of in-situ TiB2 ceramic particle reinforced aluminum alloy

A technology of ceramic particles and chemical composition, which is applied in the characterization of the chemical composition of aluminum-based composite materials, in-situ TiB2 ceramic particle-reinforced aluminum alloy chemical composition sample dissolution and testing fields, and can solve the problem of narrow heating interval and difficulty in adding control to the heating interval Uncertainty, difficulties of access and storage

Pending Publication Date: 2021-09-14
COMAC +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Yet the method of CN 108387571A uses organic strong alkaline solution and inorganic strong alkaline solution, and strong oxidant is selected as high oxidation electrode potential powder for use, and organic strong alkaline solution and high oxidation electrode potential powder are all very expens

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0083] Example 1-1:

[0084] Samples were prepared inductively coupled plasma atomic emission spectroscopy (ICP) Digestion (elements other than Si) and tested.

[0085] 1. Preparation of

[0086] Design of Component (wt%): Ti: 1.54; B: 0.7; Mg: 0.5; Cu: 0.9; Fe: <0.1; Si: 6.5.

[0087] Process steps:

[0088] a) from the mixed base material ingot sampling drilling, the drilling position as shown in Figure ASTM B985, the location of each drill a depth of at least 25mm;

[0089] b) Take a clean dry 150ml beaker, cooled to room temperature, placed on a balance to zero, then the debris material weighed about 0.2g;

[0090] c) injecting 75ml of deionized water in a beaker, allowed to stand for 5min (minutes);

[0091] d) pre-configured to take a mixture of nitric acid (HNO 3 : HCl = 2: 5) 40ml, was placed in a Teflon container;

[0092] e) fragments of material Xianxiang beaker immersed in a mixture of nitric acid was slowly added dropwise 2ml hydrochloric acid (HNO 3 : HCl = 2: 5), o...

Example Embodiment

[0106] Example 1-2:

[0107] Same as in Example 1, except that only the steps of: i) the heating time is 49h. The measurement results in Table 1 below.

Example Embodiment

[0108] Example 1-3:

[0109] Same as in Example 1, except that only the steps of: i) the heating time is 60h. The measurement results in Table 1 below.

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Abstract

The invention relates to a method for testing chemical components of an in-situ TiB2 ceramic particle reinforced aluminum alloy. The method comprises the following steps: (A) dissolved sample preparation: (A1) dissolving an in-situ TiB2 ceramic particle reinforced aluminum alloy material by using a nitrate acid mixed solution with the ratio of HNO3 to HCl being 2: 3-2: 7; (A2) heating the solution obtained in the step (A1) to fully dissolve the material; and (A3) fixing the volume of the solution obtained in the step (A2) to obtain a to-be-detected dissolved sample, and (B) sample dissolution test.

Description

technical field [0001] The present disclosure belongs to the technical field of detection and analysis of composite materials, and in particular relates to in-situ TiB 2 Dissolution sample and test method for chemical composition of ceramic particle reinforced aluminum alloys, suitable for in situ TiB 2 The precise determination of the chemical composition of ceramic particle reinforced aluminum alloy is mainly used for the characterization of the chemical composition of aluminum matrix composites. Background technique [0002] In situ self-generated TiB 2 Ceramic particle reinforced aluminum matrix composites are to achieve TiB in pure aluminum or aluminum alloy matrix through in situ self-generation. 2 The controllable growth of ceramic particles is obtained, and the control and improvement of its performance cannot be separated from the accurate determination of various elemental components in the composite material. Inductive Coupled Plasma Atomic Emission Spectrometr...

Claims

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Application Information

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IPC IPC(8): G01N21/73G01N1/28
CPCG01N21/73G01N1/28
Inventor 王浩伟李东李红萍张韧章骏李宇罡陈东夏存娟耿继伟
Owner COMAC
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