Method for controlling detonator zone during explosion cladding of multilayer thick zirconium/titanium/steel composite plate

A control method and composite plate technology, which is applied in the field of explosive compounding, can solve the problems that the zirconium plate cannot quickly reach the range of the explosive welding window, and the detonation point is not combined, and achieve the effects of good quality, convenient implementation, and simple operation

Active Publication Date: 2014-03-19
XIAN TIANLI CLAD METAL MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After the detonator detonates the explosive, the zirconium plate cannot quickly reach the range of the explosive welding window
As a result, after explosive recombination, there is a large area of ​​unbonding around the detonation point

Method used

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  • Method for controlling detonator zone during explosion cladding of multilayer thick zirconium/titanium/steel composite plate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Step 1. Prepare a titanium / steel composite plate of 1050mm×3550mm×22mm (2mm / 20mm) by explosive composite welding, and conduct heat treatment, leveling and grinding on the prepared titanium / steel composite plate in sequence, so that the unevenness is not greater than 5mm / m , the titanium / steel composite plate 1 with the surface roughness Ra of the titanium layer being 0.5 μm; the grade of the titanium plate in the titanium / steel composite plate is TA1, and the steel plate is a container plate Q345R; the temperature of the heat treatment is 500° C. The time is 5h;

[0024] Step 2. Grinding the zirconium plate with a size of 1100mm×3600mm×10mm to obtain a composite zirconium plate 2 with a roughness Ra of 0.5 μm on the side contacting the titanium / steel composite plate; the grade of the zirconium plate is ASTM B551R60702 ;

[0025] Step 3. Weld the carbon steel forging steel block 4 with a size specification of 200mm×300mm×22mm in the geometric middle of one side of the l...

Embodiment 2

[0030] This embodiment is the same as embodiment 1, wherein the difference is: the titanium block is TA1, TA2, TA9, ASTM B265-Gr.1, ASTM B265-Gr.2, ASTM B265Gr7, ASTM B265Gr11 or ASTM B265Gr16; The above-mentioned steel block is a steel block with the grade of Q345R, Q235B or ASMESA516Gr.70, or a stainless steel forging.

[0031] The thick clad zirconium / titanium / steel clad plate produced in this example is of good quality, with a bonding rate of 100% and a shear strength of not less than 180MPa, which meets the requirements of ASTM B898-2005A grade and can meet the requirements of various large industrial equipment and components on thick clad plates. Manufacture requirements for ply zirconium / titanium / steel composite panels.

Embodiment 3

[0033] Step 1. Prepare a titanium / steel composite plate of 3550mm×3550mm×154mm (4mm / 150mm) by explosive hybrid welding, and then heat-treat, level and polish the prepared titanium / steel composite plate in order to obtain an unevenness not greater than 4mm / m , the roughness Ra of the titanium layer surface is a titanium / steel composite plate 1 of 10 μm; the grade of the titanium plate in the titanium / steel composite plate is TA9, and the steel plate is Q235B; the temperature of the heat treatment is 500°C, and the holding time is 5h ;

[0034] Step 2. Grinding the zirconium plate with a size of 3600mm×3600mm×7mm to obtain a composite zirconium plate 2 with a roughness Ra of 25 μm on the side contacting the titanium / steel composite plate; the grade of the zirconium plate is ASTM B551R60702;

[0035] Step 3. The geometrical middle part of the long side of the titanium / steel composite plate 1 described in step 1 is welded with a size specification of 30mm×60mm×154mm, and the steel...

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Abstract

The invention discloses a method for controlling a detonator zone during the explosion cladding of a multilayer thick zirconium/titanium/steel composite plate. The method comprises the following steps: (1), welding a steel block to one side of a titanium/steel composite plate, and welding a titanium block to one side of a multilayer zirconium plate; (2), assembling the titanium/steel composite plate with the multilayer zirconium plate, ensuring that the titanium block is aligned with the steel block, then arranging an explosive on the surface of the multilayer zirconium plate, and mounting a satchel charge on the titanium block for explosion cladding so as to obtain the multilayer thick zirconium/titanium/steel composite plate. The method is easy in operation and convenient to implement, can effectively control the size of the detonator zone during cladding of the multilayer thick zirconium/titanium/steel composite plate, and thus solve the problem that a detonator zone is overlarge when a detonator is directly mounted on the surface of the multilayer zirconium plate. Besides, the detonator zone can be removed completely during the subsequent cutting of the multilayer thick zirconium/titanium/steel composite plate, and the size and the corrosion resisting property of the finished zirconium steel composite plate cannot be affected. The multilayer thick zirconium/titanium/steel composite plate prepared through the method can completely meet the requirements of subsequent large equipment.

Description

technical field [0001] The invention belongs to the technical field of explosive compounding, and in particular relates to a method for controlling the detonator area in the explosive compounding of thick multilayer zirconium / titanium / steel composite plates. Background technique [0002] Zirconium / titanium / steel composite plate is a kind of clad layer metal with zirconium, pure titanium plate, titanium alloy plate as transition layer, low alloy steel, stainless steel, carbon steel or other materials as base metal, prepared by explosive composite method layered metal composites. On the one hand, this composite material has good corrosion resistance of clad metal zirconium; on the other hand, it has good mechanical properties and processing properties of base metal; at the same time, it can save a lot of zirconium materials, and zirconium / titanium / steel composite plates have been widely used In chemical, pharmaceutical, smelting and other industries. [0003] In the explosiv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K20/08B23K20/24
CPCB23K20/08B23K20/24B23K2101/18B23K2103/18
Inventor 吴江涛王虎年张鹏辉李平仓李选明王云龙马永哲黄超张运辉惠宏涛赵勤孝朱磊杨学山张家毓李媛媛
Owner XIAN TIANLI CLAD METAL MATERIALS
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