Search for dissertations about: "stainless steel metallurgy"

Showing result 1 - 5 of 86 swedish dissertations containing the words stainless steel metallurgy.

2. 1. Process-microstructure-corrosion interrelations for stainless steel

   Author : David Lindell; Rachel Pettersson; Rebecca L. Higginson; KTH; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; stainless steel; processing; annealing; pickling; microstructure; corrosion; anisotropy; oxyfuel; Kemi; Chemistry;

   Abstract : Stainless steels were first developed in the early 20th century and have since then emerged as a very diverse class of engineering materials. Along with steels having new combinations of properties, there is a continuous development of new technologies allowing the material to be produced in a faster and more energy effcient manner. READ MORE

4. 2. Sub-grain structure in additive manufactured stainless steel 316L

   Author : Yuan Zhong; Zhijian Shen; Daqing Cui; Moataz Attallah; Stockholms universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Additive manufacturing; Selective laser melting; Electron beam melting; stainless steel; Oxide dispersion strengthened steel; Cellular structure; Nano-inclusions; Materials Chemistry; materialkemi;

   Abstract : The thesis focuses on exploring the sub-grain structure in stainless steel 316L prepared by additive manufacturing (AM). Two powder-bed based AM methods are involved: selective laser melting (SLM) and electron beam melting (EBM). READ MORE

5. 3. Sintering simulation framework for 316L stainless steel components manufactured by binder jetting

   Author : Alberto Cabo Rios; Chalmers tekniska högskola; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Sintering; sintering modelling; additive manufacturing; binder jetting; stainless steel.; dilatometry;

   Abstract : Binder Jetting (BJT) is an additive manufacturing (AM) technology allowing mass-production of small to medium-size metal components. BJT is a multi-step AM technology, where the geometrical shape of components is provided during the printing step, and the final properties are achieved through a second consolidation step - sintering. READ MORE

6. 4. Experimental studies to overcome the recycling barriers of stainless-steel and BOF slags

   Author : Mattia De Colle; Pär Jönsson; Andrey Karasev; Muxing Guo; KTH; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; stainless steel; slag; recycling; sustainability; Teknisk materialvetenskap; Materials Science and Engineering;

   Abstract : This thesis presents several studies aimed at improving the recycling of steel slag. The studies are based on a first evaluation of the state-of-the-artof the recycling applications both with respect to their possibilities and limitations. READ MORE

7. 5. Phase separation in duplex stainless steel: characterization and mitigation

   Author : Jianling Liu; Peter Hedström; Joakim Odqvist; Wangzhong Mu; Aniruddha Biswas; KTH; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; duplex stainless steel; 475 °C embrittlement; phase separation; small-angle neutron scattering; mechanical properties; alloying elements; cooling rate; magnetic field; Materials Science and Engineering; Teknisk materialvetenskap;

   Abstract : Duplex stainless steel (DSS) is a category of widely used stainlesssteel, which are strategically important in a variety of applications such asin the food industry, chemical engineering plants and nuclear power plants,due to their attractive combination of mechanical properties and corrosionresistance. However, these steel grades are sensitive to the so-called ‘475°Cembrittlement’, because of a phase separation (PS) phenomenon in theferrite phase, which decomposes into Fe-rich ferrite (α) and Cr-rich ferrite(α'), when exposed to temperatures within the miscibility gap. READ MORE