Reverse-polarity plasma cutting of rolled Ti-5Al-5V-5Mo titanium alloy thick plates

被引：0

作者：

Grinenko, A. V. ^{[1
]}

Chumaevskii, A. V. ^{[1
]}

Panfilov, A. O. ^{[1
]}

Gurianov, D. A. ^{[1
]}

Sidorov, E. A. ^{[1
]}

Kolubaev, E. A. ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Strength Phys & Mat Sci, Siberian Branch, Tomsk, Russia

来源：

RUSSIAN PHYSICS JOURNAL | 2024年 / 67卷 / 10期

关键词：

Titanium alloy; Plasma cutting; Reverse polarity; Structure; Mode; Melting; Pores; 538.951; 620.18; 620.19;

D O I：

10.1007/s11182-024-03282-2

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The paper presents research results of reverse-polarity plasma cutting of thick Ti-5Al-5V-5Mo titanium alloy plates. It is shown that 300 A current is the best for plasma cutting of 20 and 40 mm thick plates, and for 70-mm thick plates, the best is the current of 350 A. The surface layer includes the molten metal, oxide layers, and heat-affected zone. Traces of molten titanium are observed on the sample surface after its displacement from the work area by the water-air mixed flow. The use of the water mist generation system improves the quality of the work area, but does not reduce the material oxidation during cutting.

引用

页码：1562 / 1568

页数：7

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