Influence of temperature processing on the microstructure and hardness of the 420 stainless steel produced by hot pressing

Ângela Cunha; A. Marques; M. Gasik; B. Trindade

doi:10.1080/10426914.2022.2072885

Influence of temperature processing on the microstructure and hardness of the 420 stainless steel produced by hot pressing

Ângela Cunha^*
, A. Marques
, M. Gasik
, B. Trindade

^*Tämän työn vastaava kirjoittaja

Tutkimustuotos: Lehtiartikkeli › Article › Scientific › vertaisarvioitu

7 Viittaukset (Web of Science)

90 Lataukset (Pure)

Abstrakti

In this study, samples of 420 stainless steel were obtained by hot pressing from powder at temperatures from 1,100 to 1,200°C. The aim was to explore the influence of the processing temperature on their grain size, microstructure, densification and mechanical properties. The results showed that it is possible to produce dense samples at these sintering temperatures. The sintering temperature influenced the density, grain size, structural phases, and hardness of the samples. Martensite and austenite were present in the samples sintered at 1,100, 1,150, and 1,180°C. Precipitation of Cr₂₃C₆ was observed after sintering at 1,200°C. This sample was the one with the highest density (99.7% densification) and hardness (771.9 HV).

Alkuperäiskieli	Englanti
Sivut	333-340
Sivumäärä	8
Julkaisu	Materials and Manufacturing Processes
Vuosikerta	38
Numero	3
Varhainen verkossa julkaisun päivämäärä	13 toukok. 2022
DOI - pysyväislinkit	https://doi.org/10.1080/10426914.2022.2072885
Tila	Julkaistu - 17 helmik. 2023
OKM-julkaisutyyppi	A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä

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10.1080/10426914.2022.2072885

CHEM_Cunha_et_al_Influence_of_temperature_2022_Materials_and_Manufacturing_ProcessesAccepted author manuscript, 1,01 MBLisenssi: Määrittelemätön

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title = "Influence of temperature processing on the microstructure and hardness of the 420 stainless steel produced by hot pressing",

abstract = "In this study, samples of 420 stainless steel were obtained by hot pressing from powder at temperatures from 1,100 to 1,200°C. The aim was to explore the influence of the processing temperature on their grain size, microstructure, densification and mechanical properties. The results showed that it is possible to produce dense samples at these sintering temperatures. The sintering temperature influenced the density, grain size, structural phases, and hardness of the samples. Martensite and austenite were present in the samples sintered at 1,100, 1,150, and 1,180°C. Precipitation of Cr23C6 was observed after sintering at 1,200°C. This sample was the one with the highest density (99.7\% densification) and hardness (771.9 HV).",

keywords = "420 stainless steel, grain size, hot pressing, microhardness, microstructure",

author = "{\^A}ngela Cunha and A. Marques and M. Gasik and B. Trindade",

note = "Publisher Copyright: {\textcopyright} 2022 Taylor \& Francis.",

year = "2023",

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doi = "10.1080/10426914.2022.2072885",

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TY - JOUR

T1 - Influence of temperature processing on the microstructure and hardness of the 420 stainless steel produced by hot pressing

AU - Cunha, Ângela

AU - Marques, A.

AU - Gasik, M.

AU - Trindade, B.

PY - 2023/2/17

Y1 - 2023/2/17

N2 - In this study, samples of 420 stainless steel were obtained by hot pressing from powder at temperatures from 1,100 to 1,200°C. The aim was to explore the influence of the processing temperature on their grain size, microstructure, densification and mechanical properties. The results showed that it is possible to produce dense samples at these sintering temperatures. The sintering temperature influenced the density, grain size, structural phases, and hardness of the samples. Martensite and austenite were present in the samples sintered at 1,100, 1,150, and 1,180°C. Precipitation of Cr23C6 was observed after sintering at 1,200°C. This sample was the one with the highest density (99.7% densification) and hardness (771.9 HV).

AB - In this study, samples of 420 stainless steel were obtained by hot pressing from powder at temperatures from 1,100 to 1,200°C. The aim was to explore the influence of the processing temperature on their grain size, microstructure, densification and mechanical properties. The results showed that it is possible to produce dense samples at these sintering temperatures. The sintering temperature influenced the density, grain size, structural phases, and hardness of the samples. Martensite and austenite were present in the samples sintered at 1,100, 1,150, and 1,180°C. Precipitation of Cr23C6 was observed after sintering at 1,200°C. This sample was the one with the highest density (99.7% densification) and hardness (771.9 HV).

KW - 420 stainless steel

KW - grain size

KW - hot pressing

KW - microhardness

KW - microstructure

UR - https://www.scopus.com/pages/publications/85130312391

U2 - 10.1080/10426914.2022.2072885

DO - 10.1080/10426914.2022.2072885

M3 - Article

AN - SCOPUS:85130312391

SN - 1042-6914

VL - 38

SP - 333

EP - 340

JO - Materials and Manufacturing Processes

JF - Materials and Manufacturing Processes

IS - 3

ER -

Influence of temperature processing on the microstructure and hardness of the 420 stainless steel produced by hot pressing

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