CN107893167A - A kind of electron tube corronil and preparation method thereof - Google Patents

Abstract

The present invention relates to a kind of electron tube corronil and preparation method thereof, a kind of corronil, including following components in percentage by weight：Nickel 25 26%, aluminium 2.5~2.6%, manganese 0.5 0.52%, iron 0.5 0.52%, chromium 1~1.2%, titanium 0.5~0.6%, tin 0.5~0.6%, beryllium 0.5~0.6%, niobium 0.5~0.6%, remaining surplus are copper；Corronil prepared by the present invention, its tensile strength are more than 700MPa, and elongation percentage is more than 10%, and air-tightness is less than 0.8 × 10^‑9Pa·m³/ s, impact flexibility are more than 550KJ/m²。

Description

A kind of electron tube corronil and preparation method thereof

Technical field：

The present invention relates to a kind of non-ferrous metal Cu alloy material, specifically a kind of electron tube corronil and its system Preparation Method.

Background technology：

Electrovacuum device corronil is mainly for the manufacture of microwave tube, in high-power high-frequency rate and broadband side Face, microwave tube ability are better than semiconductor devices.The structural members such as microwave tube Can need enough mechanical strengths, without magnetic Property, good heat conductivity, it is also necessary to ensure material air-tightness, meet the requirement of electrovacuum industry, will in terms of Composition Control Ask relatively strict, finished product needs special its interior tissue of control process and final products performance, its control process hardly possible Spend larger.With the continuous development of radiotechnics, electron tube structural material use is continuously increased, meanwhile, also to material Performance propose higher requirement.

The content of the invention：

The technical problem to be solved in the present invention is：For the above-mentioned deficiency of prior art, there is provided a kind of excellent performance Electron tube corronil and preparation method thereof.

To achieve these goals, the technical solution adopted in the present invention is：

A kind of corronil, including following components in percentage by weight：Nickel 25-26%, aluminium 2.5~2.6%, manganese 0.5- 0.52%, iron 0.5-0.52%, chromium 1~1.2%, titanium 0.5~0.6%, tin 0.5~0.6%, beryllium 0.5~0.6%, niobium 0.5~ 0.6%, remaining surplus is copper；Meanwhile the ratio between content of nickel and aluminium is 10：1, the ratio between aluminium and manganese content are 5：1, manganese and iron contain The ratio between amount is 1：1, the ratio between chromium and Ti content are 2：1, the ratio between constituent content such as titanium, tin, beryllium, niobium is 1：1：1：1.

The present invention also provides a kind of preparation method of above-mentioned corronil, mainly comprises the following steps that：

(1) melting：Heating melting is carried out using intermediate frequency furnace, smelting temperature is 1500 DEG C -1550 DEG C, uses glass during melting Covered with borax, the ratio of glass and borax is 3:1, cladding thickness 100-150mm；Using 10% copper-aluminium master alloy, 10% copper manganese intermediate alloy, 10% copper and iron intermediate alloy, 10% copper chromium intermediate alloy, 10% copper titanium intermediate alloy, 10% copper and tin intermediate alloy, 10% Bealloy, 10% copper niobium intermediate alloy；The cast temperature of corronil is 1300℃-1350℃；

(2) strip off the skin：By the surface scale removal of ingot casting, the thickness to strip off the skin is 2-5mm；

(3) extrude：Ingot casting is heated, heating-up temperature is 900 DEG C -950 DEG C, then the ingot casting after heating is extruded, and is squeezed Pressure ratio is 10-15, and the speed of extruding is 5-10mm/s；

(4) it is dissolved：1050 DEG C of solid solubility temperature, time 2 h；

(5) cold working：Cold working is 60% working modulus；

(6) timeliness：Aging temp is 500 DEG C, 5 hours time；

Electron tube corronil prepared by preparation method provided by the present invention, its tensile strength are more than 700MPa, elongation percentage are more than 10%, and air-tightness is less than 0.8 × 10^-9Pa·m³/ s, impact flexibility are more than 550KJ/m²。

Embodiment：

A kind of corronil provided by the present invention, including following components in percentage by weight：Nickel 25%, aluminium 2.5%, Manganese 0.5%, iron 0.5%, chromium 1%, titanium 0.5%, tin 0.5%, beryllium 0.5%, niobium 0.5%, remaining surplus are copper.

The preparation method of above-mentioned corronil, is mainly comprised the following steps that：

(1) melting：Heating melting is carried out using intermediate frequency furnace, smelting temperature is 1500 DEG C, uses glass and borax during melting The ratio of covering, glass and borax is 3:1, cladding thickness 150mm；Using 10% copper-aluminium master alloy, 10% copper manganese Intermediate alloy, 10% copper and iron intermediate alloy, 10% copper chromium intermediate alloy, 10% copper titanium intermediate alloy, 10% copper and tin Intermediate alloy, 10% Bealloy, 10% copper niobium intermediate alloy；The cast temperature of corronil is 1350 DEG C；

(2) strip off the skin：By the surface scale removal of ingot casting, the thickness to strip off the skin is 5mm；

(3) extrude：Ingot casting is heated, heating-up temperature is 920 DEG C, then the ingot casting after heating is extruded, and extrusion ratio is 10-15, the speed of extruding is 5-10mm/s；

(4) it is dissolved：1050 DEG C of solid solubility temperature, time 2 h；

(5) cold working：Cold working is 60% working modulus；

(6) timeliness：Aging temp is 500 DEG C, 5 hours time；

Electron tube corronil prepared by preparation method provided by the present invention, its tensile strength 715MPa, prolongs Stretch rate 12%, air-tightness 0.7 × 10^-9Pa·m³/ s, impact flexibility 570KJ/m²。

The above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, those of ordinary skill in the art are to this hair Other modifications or equivalent substitution that bright technical scheme is made, without departing from the spirit and scope of technical solution of the present invention, It all should cover in scope of the presently claimed invention.

Claims (1)

1. A kind of 1. electron tube corronil and preparation method thereof, it is characterised in that：A kind of corronil, including it is following heavy Measure the component of percentage：Nickel 25-26%, aluminium 2.5~2.6%, manganese 0.5-0.52%, iron 0.5-0.52%, chromium 1~1.2%, Titanium 0.5~0.6%, tin 0.5~0.6%, beryllium 0.5~0.6%, niobium 0.5~0.6%, remaining surplus are copper；Meanwhile nickel and The ratio between content of aluminium is 10：1, the ratio between aluminium and manganese content are 5：1, the ratio between manganese and iron content are 1：1, the ratio between chromium and Ti content are 2： 1, the ratio between constituent content such as titanium, tin, beryllium, niobium is 1：1：1：1；The preparation method of corronil is：

   (1) melting：Heating melting is carried out using intermediate frequency furnace, smelting temperature is 1500 DEG C -1550 DEG C, uses glass and boron during melting Sand covers, and the ratio of glass and borax is 3:1, cladding thickness 100-150mm；Using 10% copper-aluminium master alloy, 10% Copper manganese intermediate alloy, 10% copper and iron intermediate alloy, 10% copper chromium intermediate alloy, 10% copper titanium intermediate alloy, 10% Copper and tin intermediate alloy, 10% Bealloy, 10% copper niobium intermediate alloy；The cast temperature of corronil is 1300 ℃-1350℃；

   (2) strip off the skin：By the surface scale removal of ingot casting, the thickness to strip off the skin is 2-5mm；

   (3) extrude：Ingot casting is heated, heating-up temperature is 900 DEG C -950 DEG C, then the ingot casting after heating is extruded, extrusion ratio For 10-15, the speed of extruding is 5-10mm/s；

   (4) it is dissolved：1050 DEG C of solid solubility temperature, time 2 h；

   (5) cold working：Cold working is 60% working modulus；

   (6) timeliness：Aging temp is 500 DEG C, 5 hours time；

   Electron tube corronil prepared by the above method, its tensile strength are more than 700MPa, and elongation percentage is more than 10%, gas Close property is less than 0.8 × 10^-9Pa·m³/ s, impact flexibility are more than 550KJ/m²。