MARTENSITIC-TRANSFORMATION OF TYPE-304 STAINLESS-STEEL BY HIGH-ENERGY ION-IMPLANTATION

被引：6

作者：

CHAYAHARA, A

NAKASHIMA, S

HASHIMOTO, M

SASAKI, T

KUROKAWA, M

KIYAMA, S

SATOU, M

机构：

[1] HITACHI LTD,HITACHI RES LAB,HITACHI,IBARAKI 317,JAPAN

[2] NIPPON STEEL CORP LTD,SAKAI WORKS 1,SAKAI,OSAKA 590,JAPAN

[3] SANYO ELECT CO LTD,CONTROL SYST RES CTR,HIRAKATA,OSAKA 573,JAPAN

[4] NIPPON STEEL CORP LTD,RES & DEV LAB 1,NAKAHARA KU,KAWASAKI 211,JAPAN

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 1991年 / 59卷

关键词：

D O I：

10.1016/0168-583X(91)95727-U

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The effect of high-energy ion implantation on the structural changes of type 304 stainless steel were investigated. Gold, copper and silicon ions with an energy of 1.5 MeV was implanted into stainless steel. The fluences were in the range from 5 x 10(15) to 10(17) ions/cm2. It was found that the structure of stainless steel was transformed from the austenitic to the martensitic structure by these ion implantations. This structural change was investigated by means of X-ray diffraction and transmission electron microscopy (TEM). The depth profile of the irradiated ions was also analyzed by secondary ion mass spectroscopy (SIMS) and glow discharge spectroscopy (GDS). The degree of martensitic transformation was found to be strongly dependent on the surface pretreatment, either mechanical or electrolytic polishing. When the surface damages or strains by mechanical polishing were present, the martensitic transformation was greatly accelerated presumably due to the combined action of ion irradiation and strain-enhanced transformation. Heavier ions exhibit a high efficiency for the transformation.

引用

页码：893 / 896

页数：4

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