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Author:

Wang, Xianxian (Wang, Xianxian.) | He, Cunfu (He, Cunfu.) | Li, Peng (Li, Peng.) | Liu, Xiucheng (Liu, Xiucheng.) (Scholars:刘秀成) | Xing, Zhixiang (Xing, Zhixiang.) | Yan, Zhengxiang (Yan, Zhengxiang.)

Indexed by:

EI Scopus SCIE

Abstract:

The correlation between multiple patterns of micromagnetic signatures and the surface hardness of three types of carbon steels (referred as Cr12MoV steel, 45 steel, and martensitic stainless steel of 3Cr13 in Chinese standards) was investigated in this study. Back-propagation neural network (BP-NN) models were established for the quantitative prediction of surface hardness in carbon steels. The quality of the specimens used for calibration (or more precisely the data distribution of the target properties) greatly affected the accuracy of prediction models. The uniformly distributed data were more suitable for establishing high-accuracy BP-NN models. For the data which did not follow a uniform distribution, a two-step modelling strategy of classification and subsequent regression was proposed to improve the accuracy of micromagnetic and quantitative prediction of surface hardness. The proposed two-step modelling strategy integrating the K-nearest neighbor classification (KNN) algorithm with BP-NN modelling method was verified by external validation experiments.

Keyword:

BP neural network Quantitative prediction Surface hardness Micro-magnetic testing

Author Community:

  • [ 1 ] [Wang, Xianxian]Beijing Univ Technol, Fac Mat & Mfg, Beijing 100124, Peoples R China
  • [ 2 ] [He, Cunfu]Beijing Univ Technol, Fac Mat & Mfg, Beijing 100124, Peoples R China
  • [ 3 ] [Li, Peng]Beijing Univ Technol, Fac Mat & Mfg, Beijing 100124, Peoples R China
  • [ 4 ] [Liu, Xiucheng]Beijing Univ Technol, Fac Mat & Mfg, Beijing 100124, Peoples R China
  • [ 5 ] [Xing, Zhixiang]Beijing Univ Technol, Fac Mat & Mfg, Beijing 100124, Peoples R China
  • [ 6 ] [Yan, Zhengxiang]Beijing Univ Technol, Fac Mat & Mfg, Beijing 100124, Peoples R China

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Source :

JOURNAL OF NONDESTRUCTIVE EVALUATION

ISSN: 0195-9298

Year: 2022

Issue: 3

Volume: 41

2 . 8

JCR@2022

2 . 8 0 0

JCR@2022

ESI Discipline: MATERIALS SCIENCE;

ESI HC Threshold:66

JCR Journal Grade:2

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 10

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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