Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

A kind of tc4 titanium alloy large-scale slab and its preparation method and application

A large-scale, titanium alloy technology, applied in the field of TC4 titanium alloy large-scale slab and its preparation, can solve the problems of long production process, short process and high production cost, and meet the needs of large-scale development, mixing and pressing. The effect of uniform control and accurate weighing of ingredients

Active Publication Date: 2019-10-25
LUOYANG SUNRUI TI PRECISION CASTING
View PDF3 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the deficiencies and shortcomings of the VAR smelting and forging method in the prior art, such as high equipment investment cost, long production process flow, complicated technology, and high production cost, the primary purpose of the present invention is to provide a method for preparing a TC4 titanium alloy large-scale slab, This method adopts EB electron beam cooling bed melting furnace instead of traditional VAR melting and forging to obtain large-size TC4 slab, which has the advantages of short process, low cost, high quality and high efficiency.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A kind of tc4 titanium alloy large-scale slab and its preparation method and application
  • A kind of tc4 titanium alloy large-scale slab and its preparation method and application
  • A kind of tc4 titanium alloy large-scale slab and its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 15

[0052] Example 1 Preparation of 5 tons of TC4 titanium alloy large-scale slabs

[0053] (1) Calculation of ingredients:

[0054] ①Use sponge titanium and intermediate alloy to combine, and the basis of alloying elements is calculated as Al=8.0%, V=3.9%, Fe=0.18%, O=0.12%. According to the empirical value of Al burning loss, the target Al content of the smelted slab is 6.2%.

[0055] ②Calculate the total addition amount of various raw materials and the addition amount of a single electrode according to the basic composition of alloying elements. Among them, grade 0 sponge titanium 5340Kg, AlV55 alloy 414Kg, aluminum bean 318Kg, iron powder 10.9Kg, titanium dioxide 9.0Kg, a total of 6092Kg. Press 140 pieces, the weight of a single piece is 43.5Kg, including 38.14Kg of grade 0 sponge titanium, 2.96Kg of AlV55 alloy, 2.27Kg of aluminum beans, 0.08Kg of iron powder, and 0.06Kg of titanium dioxide.

[0056] (2) Pressing electrode: The sponge titanium is sorted to remove the defec...

Embodiment 27

[0081] Example 2 Preparation of 7 tons of TC4 titanium alloy large-scale slabs

[0082] (1) Calculation of ingredients:

[0083] ①Use sponge titanium and intermediate alloy to combine, and the basis of alloying elements is calculated as Al=8.0%, V=4.0%, Fe=0.12%, O=0.12%. According to the empirical value of Al burning loss, the target Al content of the smelted slab is 6.2%.

[0084]②Calculate the total addition amount of various raw materials and the addition amount of a single electrode according to the basic composition of alloying elements. Among them, grade 0 sponge titanium 7160Kg, AlV55 alloy 554Kg, aluminum bean 426Kg, iron powder 9.8Kg, titanium dioxide 12.2Kg, a total of 8160Kg. Press 182 pieces, the weight of a single piece is 45Kg, including 39.3Kg of grade 0 sponge titanium, 3.04Kg of AlV55 alloy, 2.34Kg of aluminum beans, 0.05Kg of iron powder, and 0.07Kg of titanium dioxide.

[0085] (2) Pressing electrode: The sponge titanium is sorted to remove the defective...

Embodiment 3

[0109] Example 3 Preparation of 6 tons of TC4 titanium alloy large-scale slabs

[0110] (1) Calculation of ingredients:

[0111] ①Use sponge titanium and intermediate alloy to combine, and the basis of batching alloy elements is calculated as Al=8.5%, V=4.0%, Fe=0.12%, O=0.12%. According to the empirical value of Al burning loss, the target Al content of the smelted slab is 6.2%.

[0112] ②Calculate the total addition amount of various raw materials and the addition amount of a single electrode according to the basic composition of alloying elements. Among them, grade 0 sponge titanium 12170Kg, AlV55 alloy 943Kg, aluminum bean 725Kg, iron powder 16.2Kg, titanium dioxide 20.8Kg, a total of 13875Kg. Pressing 308 pieces, the weight of a single piece is 45Kg, including 39.55Kg of grade 0 sponge titanium, 3.06Kg of AlV55 alloy, 2.35Kg of aluminum beans, 0.05Kg of iron powder, and 0.07Kg of titanium dioxide.

[0113] (2) Pressing electrode: The sponge titanium is sorted to remove...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
lengthaaaaaaaaaa
densityaaaaaaaaaa
thicknessaaaaaaaaaa
Login to View More

Abstract

The invention belongs to the technical field of titanium material processing, and in particular relates to a TC4 titanium alloy large-size slab and its preparation method and application. In the present invention, titanium sponge, aluminum-vanadium intermediate alloy, aluminum beans, iron powder and titanium dioxide are mixed and pressed to obtain an electrode briquette; the electrode briquettes are combined and spliced, and vacuum welded to obtain a large electrode; the large electrode is put into an electron beam cooling bed for smelting In the furnace, vacuumize the melting chamber, feeding chamber and ingot drawing chamber; then start the electron gun to preheat the titanium solidification shell in the melting cooling bed, refining cooling bed and split flow cooling bed, fill the crucible, continue melting, heat capping, Cooling out of the furnace to obtain large-scale slabs of TC4 titanium alloys; it has the advantages of short process, low cost, high quality, and high efficiency. The unit weight is ≤7 tons, and it also meets the chemical composition requirements of GB / T 3620.1-2007.

Description

technical field [0001] The invention belongs to the technical field of titanium material processing, and in particular relates to a large-sized TC4 titanium alloy slab and a preparation method and application thereof. Background technique [0002] Titanium alloy has the advantages of high specific strength, light weight and corrosion resistance, and is widely used in aerospace, ships, weapons and equipment, chemical industry and other fields. Among them, the TC4 (Ti-6Al-4V) grade titanium alloy has medium and high strength grades, and has excellent comprehensive mechanical properties and processing performance, good quality stability, and the largest amount, accounting for about 70% of the total output of titanium alloys. It is mainly used for equipment structural parts, etc. With the development of industry, in order to improve the development requirements of large-scale equipment, reliability and high structural benefits, the development trend of titanium alloy structural...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): C22C1/03C22C14/00C22B9/22
CPCC22B9/228C22C1/03C22C14/00
Inventor 李渤渤裴腾刘茵琪朱俊杰王非毛人杰陈学伟聂胜东
Owner LUOYANG SUNRUI TI PRECISION CASTING
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com