Results 91 to 100 of about 5,950 (223)

Bilyalı dövme ve plazma nitrürleme işlemlerinin AISI 4140 çeliğinin aşınma dayanımına etkisi

open access: yesDüzce Üniversitesi Bilim ve Teknoloji Dergisi
Mevcut çalışmada endüstriyel uygulamalarda sıklıkla kullanılan AISI 4140 çeliğinin yüzey özelliklerinin geliştirilmesi ile aşınma dayanımının nasıl değiştiğinin belirlenmesi amaçlanmıştır.
Mustafa Gök   +4 more
doaj   +1 more source

Ion-beam nitriding of steels [PDF]

open access: yes
The application of the ion beam technique to the nitriding of steels is described. It is indicated that the technique can be successfully applied to nitriding. Some of the structural changes obtained by this technique are similar to those obtained by ion
Salik, J.
core   +1 more source

PENGARUH KECEPATAN AIR SIRKULASI SEBAGAI MEDIUM QUENCHING TERHADAP KEKERASAN DAN STRUKTUR MIKRO PADA BAJA AISI 4140 [PDF]

open access: yes, 2006
Abstrak Baja karbon yang dipanaskan sampai pada suhu austenit kemudian didinginkan secara cepat akan terbentuk struktur martensit yang memiliki kekerasan yang lebih tinggi dari struktur perlit maupun ferit , proses ini biasa dikenal dengan ...
HARYADI, Gunawan Dwi
core  

Температура резания при сверлении пакетов углепластик/титановый сплав [PDF]

open access: yes, 2015
В статье выполнен анализ существующих методов измерения температуры различных конструкционных материалов, в том числе и композиционных. Показано, что определение температуры на вращающемся сверле при резании неэлектропроводных материалов является задачей,
Колесник, В. А.   +2 more
core   +2 more sources

Influence of base plate preheating temperature on fatigue strength of AISI 4140 manufactured by laser powder bed fusion

open access: yesJournal of Materials Research and Technology
This study investigates the influence of base plate preheating temperature on the fatigue performance of additively manufactured AISI 4140 steel, manufactured through laser powder bed fusion (PBF-LB). By varying preheating temperatures (150°C, 300°C, and
Philipp Schüßler   +6 more
doaj   +1 more source

Modeling and optimization of face milling process parameters for AISI 4140 steel

open access: yesTehnički Glasnik, 2018
In this study, the effect of cutting parameters such as the depth of cut, feed rate, cutting speed and the number of inserts on surface roughness were investigated in the milling of the AISI 4140 steel.
Gokhan Basar   +3 more
doaj   +1 more source

Space shuttle holddown post blast shield [PDF]

open access: yes
The original and subsequent designs of the Solid Rocket Booster/Holddown Post blast shield assemblies and their associated hardware are described. It presents the major problems encountered during their early use in the Space Shuttle Program, during the ...
Larracas, F. B.
core   +1 more source

EFFECT OF ION NITRIDING ON FATIGUE BEHAVIOR OF STEEL 35HGS [PDF]

open access: yes, 2019
В тази статия е изследвано поведението на умора на образци от 35HGS ниско легирана стомана. Направен е сравнителен анализ за ефекта от процеса на втвърдяване с последващо смилане и йонно азотиране. За целта са произведени пет групи екземпляри.
Atanasov M., Dunchev V., Čapek J.
core  

A compendium of sources of fracture toughness and fatigue crack growth data for metallic alloys, part 4 [PDF]

open access: yes
A collection of sources is presented of fracture toughness and fatigue crack growth data for metallic ...
Ferrainolo, John J., Hudson, C. Michael
core   +1 more source

Home - About - Disclaimer - Privacy