4Cr5MoV1Si(H13)钢合金氮化物的形貌和晶体学特征

金属学报

1990, Vol. 26

Issue (6): 34-39

论文

本期目录 | 过刊浏览

4Cr5MoV1Si(H13)钢合金氮化物的形貌和晶体学特征

罗承萍;赵方

华南理工大学机械二系;副教授;华南理工大学

MORPHOLOGY AND CRYSTALLOGRAPHY OF ALLOY NITRIDES IN DIFFUSIONAL NITRIDED LAYER OF 4Cr5MoVlSi STEEL

LUO Chengping;ZHAO Fang South China University of Technology; Guangzhou

引用本文:

罗承萍;赵方. 4Cr5MoV1Si(H13)钢合金氮化物的形貌和晶体学特征[J]. 金属学报, 1990, 26(6): 34-39.
, . MORPHOLOGY AND CRYSTALLOGRAPHY OF ALLOY NITRIDES IN DIFFUSIONAL NITRIDED LAYER OF 4Cr5MoVlSi STEEL[J]. Acta Metall Sin, 1990, 26(6): 34-39.

全文: PDF(1830 KB)

摘要: 应用TEM研究了H13钢580℃软氮化扩散层中同时生成的三种合金氮化物即CrN,VN和Mo_2N的形貌、位向关系及惯习面,发现它们由混合偏聚区经有序化连续转变而成,并且其形貌和晶体学特征与由不变线应变模型所预测的一致。

关键词 ：合金氮化物, 混合偏聚区, 惯习面, 不变线应变

Abstract：A TEM investigation was made of the morphology, orientation rela-tionship and habit plane of three kinds of alloy nitrides, namely CrN, VN andMo_2N, formed simultaneously in the diffusional nitrided layer of a 4Cr5MoV1Si(H13) steel nitrided at 580℃. It was found that the nitrides were precipitated bycontinuous clustering and subsequent ordering of both interstitial (N) and substitu-tional (Cr, V, Mo) solutes on {001} habit plane. The observed morphology andcrystallography of the nitrides are in good agreement with the predictions from theinvariant line strain model proposed for precipitation transformations.

Key words： alloy nitride mixed cluster habit plane invariant line strain

收稿日期: 1990-06-18

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