Personal information

Emails & domains

Verified email domains

Websites & social links

https://www.linkedin.com/in/timothylach

Other IDs

Scopus Author ID: 55466635100
Loop profile: 1549455

Keywords

Materials Science and Engineering, Materials Characterization, Electron Microscopy, Nanomaterials, Metallurgy, Materials for Energy applications

Countries

United States

Activities

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Employment (5)

Oak Ridge National Laboratory: Oak Ridge, TN, US

2020-02-24 to present | R&D Associate Staff (Materials Science and Technology Division)
Employment
Source: Self-asserted source
Timothy Lach

Pacific Northwest National Laboratory: Richland, WA, US

2018-06-01 to 2020-02-21 | Materials Scientist (Energy and Environment Directorate)
Employment
Source: Self-asserted source
Timothy Lach

Pacific Northwest National Laboratory: Richland, WA, US

2016-02-29 to 2018-05-31 | Post Doctorate Research Associate (Energy and Environment Directorate, Nuclear Sciences Division)
Employment
Source: Self-asserted source
Timothy Lach

University of Illinois at Urbana-Champaign: Urbana, IL, US

2010-08 to 2016-01-14 | Graduate Research Assistant (Materials Science and Engineering)
Employment
Source: Self-asserted source
Timothy Lach

University of Illinois at Urbana-Champaign: Urbana, IL, US

2013-01 to 2015-12 | Graduate Teaching Assistant (Materials Science and Engineering)
Employment
Source: Self-asserted source
Timothy Lach

Education and qualifications (2)

University of Illinois at Urbana-Champaign: Urbana, IL, US

2010-08-23 to 2016-01-14 | PhD (Materials Science and Engineering)
Education
Source: Self-asserted source
Timothy Lach

Ohio State University: Columbus, OH, US

2006-09 to 2010-06-06 | BS (Materials Science and Engineering)
Education
Source: Self-asserted source
Timothy Lach

Research resources (4)

Thermal Aging Degradation Mechanisms

Thermal Aging Degradation Mechanisms of Cast Austenitic Stainless Steels

Advanced Techniques for Nuclear Materials Characterization

Thermal Aging Degradation Mechanisms of Cast Austenitic Stainless Steels

Works (50)

Microstructure, stored energy, and stability of H/He-filled nanocavities in low temperature irradiated Inconel 718

Materials Science and Engineering: A
2025-05 | Journal article
DOI: 10.1016/j.msea.2025.148111
Contributors: Timothy G. Lach; Kinga A. Unocic; Maxim N. Gussev; Amy J. Godfrey; Weicheng Zhong; Hsin Wang; Wei Lu; Elvis E. Dominguez-Ontiveros; David A. McClintock
Source: check_circle
Crossref

Characterization of the microstructure of yttrium hydride under proton irradiation

Journal of Nuclear Materials
2025-02 | Journal article
DOI: 10.1016/j.jnucmat.2024.155586
Contributors: Stephen Taller; Fabian Naab; Takaaki Koyanagi; Timothy Lach
Source: check_circle
Crossref

Understanding and removing FIB artifacts in metallic TEM samples using flash electropolishing

Journal of Nuclear Materials
2025-02 | Journal article
DOI: 10.1016/j.jnucmat.2025.155618
Contributors: Danny J. Edwards; Alan Schemer-Kohrn; Matt Olszta; Ramprashad Prabhakaran; Yuanyuan Zhu; Jing Wang; Jacob Haag; Osman El Atwani; Timothy G. Lach; Mychailo Toloczko
Source: check_circle
Crossref

Complexity of segregation behavior at localized deformation sites formed while in service in a 316 stainless steel baffle-former bolt

Scripta Materialia
2025-01 | Journal article
DOI: 10.1016/j.scriptamat.2024.116371
Contributors: Timothy G. Lach; Maxim N. Gussev; Xiang (Frank) Chen
Source: check_circle
Crossref

Phase stability and microstructure of neutron-irradiated substoichiometric yttrium dihydrides

Journal of Nuclear Materials
2025-01 | Journal article
DOI: 10.1016/j.jnucmat.2024.155374
Contributors: Annabelle G. Le Coq; Timothy G. Lach; Weicheng Zhong; David Sprouster; Kory D. Linton; Patrick A. Champlin; Takaaki Koyanagi; M. Nedim Cinbiz
Source: check_circle
Crossref

In-service Oxidation and IASCC in High Fluence Baffle-Former Bolts Retrieved from a Westinghouse PWR

2024-09-01 | Report
DOI: 10.2172/2441052
Contributors: Tim Lach; Maxim Gussev; Xiang Chen
Source: check_circle
Crossref

NSUF BOILER Pre-Irradiation Characterization and High Flux Isotope Reactor Experiment Design

2024-09-01 | Report
DOI: 10.2172/2441049
Contributors: Nick Russell; Yukinori Yamamoto; Zain Karriem; Jose Salcedo Perez; Kory Linton; Tim Graening Seibert; Tim Lach; Bruce Pint; Janelle P. Wharry
Source: check_circle
Crossref

Report on the Integration of Experimental and Modeling Data for Initial Equivalence Study of Microstructural Evolution in Irradiated LPBF 316SS

2024-09-01 | Report
DOI: 10.2172/2462868
Contributors: Stephen Taller; Wei-Ying Chen; Tim Lach; Sourabh Kadambi; Sanjoy Mazumder; Mathew Swisher; William Yorgason; Andrea Jokisaari; Erik Herbert; Geeta Kumari et al.
Source: check_circle
Crossref

Characteristics of oxide-dispersion strengthened alloys produced by high-temperature severe deformation

Journal of Nuclear Materials
2024-08 | Journal article
DOI: 10.1016/j.jnucmat.2024.155129
Contributors: Thak Sang Byun; Timothy G. Lach; Yan-Ru Lin; David A. Collins; Kelsey Epps; David T. Hoelzer
Source: check_circle
Crossref

A macro-micro approach for identifying crystal plasticity parameters for necking and failure in nickel-based alloy haynes 282

International Journal of Plasticity
2024-07 | Journal article
DOI: 10.1016/j.ijplas.2024.103997
Contributors: Jiahao Cheng; Xiaohua Hu; Timothy Lach; Xiang (Frank) Chen
Source: check_circle
Crossref

Crystal plasticity modeling and analysis for the transition from intergranular to transgranular failure in nickel-based alloy Inconel 740H at elevated temperature

Materials Science and Engineering: A
2024-06 | Journal article
DOI: 10.1016/j.msea.2024.146622
Contributors: Jiahao Cheng; Xiaohua Hu; Timothy Lach; Xiang (Frank) Chen
Source: check_circle
Crossref

Impact of nano-scale cavities on hydrogen storage and retention in yttrium hydride

Materialia
2023-12 | Journal article
DOI: 10.1016/j.mtla.2023.101933
Contributors: M. Nedim Cinbiz; Timothy Lach; Mehmet Topsakal; Annabelle Le Coq; Kory Linton
Source: check_circle
Crossref

Microstructural Characterizations of Two High Fluence Baffle-Former Bolts Retrieved from a Westinghouse Two-loop Downflow Type PWR

2023-09-01 | Report
DOI: 10.2172/2434390
Contributors: Timothy Lach; Maxim Gussev; Xiang (Frank) Chen
Source: check_circle
Crossref

Microstructure and in-service degradation of baffle former bolts – in-core components of light water reactors

2023-09-01 | Report
DOI: 10.2172/2333820
Contributors: Maxim Gussev; Tim Lach; Xiang Chen
Source: check_circle
Crossref

Mechanical Properties of Additively Manufactured 316L Stainless Steel Before and After Neutron Irradiation–FY23

2023-05-01 | Report
DOI: 10.2172/1974316
Contributors: T. Byun; Annabelle Le Coq; Jesse Werden; Tim Lach; Kory Linton
Source: check_circle
Crossref

Origin, parameters, and underlying deformation mechanisms of propagating deformation bands in irradiated 316L stainless steel

Acta Materialia
2023-01 | Journal article
DOI: 10.1016/j.actamat.2022.118434
Contributors: M.N. Gussev; D.A. McClintock; T.G. Lach
Source: check_circle
Crossref

Microstructural Characterization of the Second High Fluence Baffle-Former Bolt Retrieved from a Westinghouse Two-loop Downflow Type PWR

2022-09-01 | Report
DOI: 10.2172/1897832
Contributors: Timothy Lach; Xiang (Frank) Chen; Thomas Rosseel
Source: check_circle
Crossref

Dynamic substrate reactions during room temperature heavy ion irradiation of CoCrCuFeNi high entropy alloy thin films

npj Materials Degradation
2022-07-20 | Journal article
DOI: 10.1038/s41529-022-00260-2
Contributors: Timothy G. Lach; Chinthaka M. Silva; Yufan Zhou; Walker L. Boldman; Philip D. Rack; William J. Weber; Yanwen Zhang
Source: check_circle
Crossref

Observations of radiation-enhanced ductility in irradiated Inconel 718: Tensile properties, deformation behavior, and microstructure

Acta Materialia
2022-06 | Journal article
DOI: 10.1016/j.actamat.2022.117889
Contributors: David A. McClintock; Maxim N. Gussev; Cody Campbell; Keyou Mao; Timothy G. Lach; Wei Lu; Jordan A. Hachtel; Kinga A. Unocic
Source: check_circle
Crossref

Identifying chemically similar multiphase nanoprecipitates in compositionally complex non-equilibrium oxides via machine learning

Communications Materials
2022-04-19 | Journal article
DOI: 10.1038/s43246-022-00244-4
Contributors: Keyou S. Mao; Tyler J. Gerczak; Jason M. Harp; Casey S. McKinney; Timothy G. Lach; Omer Karakoc; Andrew T. Nelson; Kurt A. Terrani; Chad M. Parish; Philip D. Edmondson
Source: check_circle
Crossref

A comprehensive study of the effects of long-term thermal aging on the fracture resistance of cast austenitic stainless steels

Nuclear Engineering and Technology
2022-02 | Journal article
DOI: 10.1016/j.net.2021.08.022
Contributors: David A. Collins; Emily L. Carter; Timothy G. Lach; Thak Sang Byun
Source: check_circle
Crossref

Irradiation stability and thermomechanical properties of 3D-printed SiC

Journal of Nuclear Materials
2021-08 | Journal article
DOI: 10.1016/j.jnucmat.2021.152980
Contributors: K.A. Terrani; T. Lach; H. Wang; A. Le Coq; K. Linton; C. Petrie; T. Koyanagi; T.S. Byun
Source: check_circle
Crossref

Mechanical Properties of Additively Manufactured 316L Stainless Steel Before and After Neutron Irradiation (FY21)

2021-08-01 | Report
DOI: 10.2172/1828253
Contributors: T. Byun; David Collins; Annabelle Le Coq; Tim Lach; Kory Linton; Maxim Gussev; Jesse Werden; Michael Mcalister; Xiang Chen; Chase Joslin et al.
Source: check_circle
Crossref

Correlative STEM-APT characterization of radiation-induced segregation and precipitation of in-service BWR 304 stainless steel

Journal of Nuclear Materials
2021-06 | Journal article
DOI: 10.1016/j.jnucmat.2021.152894
Contributors: Timothy G. Lach; Matthew J. Olszta; Sandra D. Taylor; Kayla H. Yano; Dan J. Edwards; Thak Sang Byun; Peter H. Chou; Daniel K. Schreiber
Source: check_circle
Crossref

Deuterium permeation and retention in 316L Stainless Steel Manufactured by Laser Powder Bed Fusion

Journal of Nuclear Materials
2021-05 | Journal article
DOI: 10.1016/j.jnucmat.2021.152871
Contributors: Xunxiang Hu; Timothy G. Lach; Kurt A. Terrani
Source: check_circle
Crossref

Mechanical behavior of additively manufactured and wrought 316L stainless steels before and after neutron irradiation

Journal of Nuclear Materials
2021-05 | Journal article
DOI: 10.1016/j.jnucmat.2021.152849
Contributors: T.S. Byun; B.E. Garrison; M.R. McAlister; X. Chen; M.N. Gussev; T.G. Lach; A. Le Coq; K. Linton; C.B. Joslin; J.K. Carver et al.
Source: check_circle
Crossref

Mechanical and Thermophysical Properties of 3D-Printed SiC before and after Neutron Irradiation – FY21

2021-05-01 | Report
DOI: 10.2172/1814305
Contributors: T. Byun; Tim Lach; Chad Parish; Hsin Wang; Artem Trofimov; David Collins; Annabelle Le Coq; Kory Linton; M. Richardson; Brian Jolly et al.
Source: check_circle
Crossref

A new non-diffusional gas bubble production route in used nuclear fuel: implications for fission gas release, cladding corrosion, and next generation fuel design

Physical Chemistry Chemical Physics
2020 | Journal article
DOI: 10.1039/C9CP05363H
Contributors: Jon M. Schwantes; Jacob L. Bair; Edgar C. Buck; Ram Devanathan; Sean H. Kessler; Timothy G. Lach; Jason M. Lonergan; Bruce K. McNamara; Camille J. Palmer; Richard A. Clark
Source: check_circle
Crossref

Precipitation-site competition in duplex stainless steels: Cu clusters vs spinodal decomposition interfaces as nucleation sites during thermal aging

Acta Materialia
2020-09 | Journal article
DOI: 10.1016/j.actamat.2020.05.017
Contributors: Timothy G. Lach; William E. Frazier; Jing Wang; Arun Devaraj; Thak Sang Byun
Source: check_circle
Crossref

Monte Carlo simulations of Cu/Ni–Si–Mn co-precipitation in duplex stainless steels

Acta Materialia
2020-08 | Journal article
DOI: 10.1016/j.actamat.2020.03.053
Contributors: William E. Frazier; Timothy G. Lach; Thak Sang Byun
Source: check_circle
Crossref

Mechanical Properties and Deformation Behavior of Additively Manufactured 316L Stainless Steel (FY2020)

2020-06-30 | Report
DOI: 10.2172/1649091
Contributors: T. Byun; Maxim Gussev; Tim Lach; Michael Mcalister; Joseph Simpson; Ben Garrison; Yukinori Yamamoto; Chase Joslin; J. Carver; Fred List III et al.
Source: check_circle
Crossref

Focused ion beam for improved spatially-resolved mass spectrometry and analysis of radioactive materials for uranium isotopic analysis

Talanta
2020-05 | Journal article
DOI: 10.1016/j.talanta.2020.120720
Part of ISSN: 0039-9140
Source: Self-asserted source
Timothy Lach

Mechanical and Thermophysical Properties of 3D-Printed SiC-FY20

2020-05-29 | Report
DOI: 10.2172/1632077
Contributors: T. Byun; Ben Garrison; Hsin Wang; Artem Trofimov; Tim Lach; Chad Parish; M. Richardson; Brian Jolly; Michael Trammell; Austin Schumacher et al.
Source: check_circle
Crossref

Author Correction: Distribution of metallic fission-product particles in the cladding liner of spent nuclear fuel

npj Materials Degradation
2020-03-16 | Journal article
DOI: 10.1038/s41529-020-0113-2
Contributors: Richard A. Clark; Michele A. Conroy; Timothy G. Lach; Edgar C. Buck; Kristi L. Pellegrini; Bruce K. McNamara; Jon M. Schwantes
Source: check_circle
Crossref

Distribution of metallic fission-product particles in the cladding liner of spent nuclear fuel

npj Materials Degradation
2020-01-30 | Journal article
DOI: 10.1038/s41529-019-0107-0
Contributors: Richard A. Clark; Michele A. Conroy; Timothy G. Lach; Edgar C. Buck; Kristi L. Pellegrini; Bruce K. McNamara; Jon M. Schwantes
Source: check_circle
Crossref

Changing the rules of the game: used fuel studies outside of a remote handling facility

Journal of Radioanalytical and Nuclear Chemistry
2019-12 | Journal article
DOI: 10.1007/s10967-019-06921-y
Part of ISSN: 0236-5731
Part of ISSN: 1588-2780
Source: Self-asserted source
Timothy Lach

Characterization of slag and metal from uranium bomb reduction: Morphology, speciation, and the search for thorium

Materials Characterization
2019-12 | Journal article
DOI: 10.1016/j.matchar.2019.109948
Part of ISSN: 1044-5803
Source: Self-asserted source
Timothy Lach

Scanning Transmission Electron Microscopy of Plutonium Particles in Hanford Tanks 241-TX-118 and 241-SY-102

2019-12-31 | Report
DOI: 10.2172/1646991
Contributors: Edgar Buck; Sergey Sinkov; Dallas Reilly; Timothy Lach; Eugene Ilton
Source: check_circle
Crossref

Extraction of plutonium-containing microcrystals from Hanford soil using a focused ion beam for single-crystal X-ray diffraction analysis

Journal of Applied Crystallography
2019-12-01 | Journal article
DOI: 10.1107/S1600576719012299
Contributors: Jordan F. Corbey; Dallas D. Reilly; Lucas E. Sweet; Timothy G. Lach
Source: check_circle
Crossref

Plutonium Particles in Samples Extracted from Hanford Tank Waste TX-118 and SY-102 (Interim Report)

2019-09-25 | Report
DOI: 10.2172/2205519
Contributors: Edgar Buck; Sergey Sinkov; Eugene Ilton; Trevor Scott; David Blanchard; Dallas Reilly; Timothy Lach; Bruce McNamara; Gregg Lumetta
Source: check_circle
Crossref

Fracture Toughness of High-Cr Steels after Various Thermomechanical Treatments

2019-09-06 | Report
DOI: 10.2172/2352288
Contributors: Thak Byun; David Collins; Timothy Lach; Jung-Pyung Choi; Emily Barkley
Source: check_circle
Crossref

Fission recoil-induced microstructural evolution of the fuel-cladding interface [FCI] in high burnup BWR fuel

Journal of Nuclear Materials
2019-08 | Journal article
DOI: 10.1016/j.jnucmat.2019.04.044
Contributors: Timothy G. Lach; Danny J. Edwards; Edgar C. Buck; Bruce K. McNamara; Jon M. Schwantes; Richard A. Clark
Source: check_circle
Crossref

Effects of thermal aging on the fracture toughness of cast stainless steel CF8

International Journal of Pressure Vessels and Piping
2019-06 | Journal article
DOI: 10.1016/j.ijpvp.2019.04.017
Part of ISSN: 0308-0161
Source: Self-asserted source
Timothy Lach

Chemical and Isotopic Characterization of Noble Metal Phase from Commercial UO2 Fuel

Analytical Chemistry
2019-05-02 | Journal article
DOI: 10.1021/acs.analchem.8b05549
Part of ISSN: 0003-2700
Part of ISSN: 1520-6882
Source: Self-asserted source
Timothy Lach

Co-dependent microstructural evolution pathways in metastable δ-ferrite in cast austenitic stainless steels during thermal aging

Journal of Nuclear Materials
2018-11 | Journal article
DOI: 10.1016/j.jnucmat.2018.08.038
Contributors: Timothy G. Lach; Arun Devaraj; Keith J. Leonard; Thak Sang Byun
Source: check_circle
Crossref

Role of interfaces on the trapping of He in 2D and 3D Cu-Nb nanocomposites

Journal of Nuclear Materials
2015 | Journal article
DOI: 10.1016/j.jnucmat.2015.07.020
EID:

2-s2.0-84938150522
Contributors: Lach, T.G.; Ekiz, E.H.; Averback, R.S.; Mara, N.A.; Bellon, P.
Source: Self-asserted source
Timothy Lach via Scopus - Elsevier

Self-organization of Cu-Ag during controlled severe plastic deformation at high temperatures

Journal of Materials Research
2015 | Journal article
DOI: 10.1557/jmr.2015.119
EID:

2-s2.0-84933677685
Contributors: Arshad, S.N.; Lach, T.G.; Ivanisenko, J.; Setman, D.; Bellon, P.; Dillon, S.J.; Averback, R.S.
Source: Self-asserted source
Timothy Lach via Scopus - Elsevier

Corrigendum to "microstructural evolution of nanolayered Cu-Nb composites subjected to high pressure torsion" [Acta Materialia 72 (2014) 178-191]

Acta Materialia
2014 | Journal article
DOI: 10.1016/j.actamat.2014.05.012
EID:

2-s2.0-84908368007
Contributors: Ekiz, E.H.; Lach, T.G.; Averback, R.S.; Mara, N.A.; Beyerlein, I.J.; Pouryazdan, M.; Hahn, H.; Bellon, P.
Source: Self-asserted source
Timothy Lach via Scopus - Elsevier

Microstructural evolution of nanolayered Cu-Nb composites subjected to high-pressure torsion

Acta Materialia
2014 | Journal article
DOI: 10.1016/j.actamat.2014.03.040
EID:

2-s2.0-84898974643
Contributors: Ekiz, E.H.; Lach, T.G.; Averback, R.S.; Mara, N.A.; Beyerlein, I.J.; Pouryazdan, M.; Hahn, H.; Bellon, P.
Source: Self-asserted source
Timothy Lach via Scopus - Elsevier

Dependence of shear-induced mixing on length scale

Scripta Materialia
2013 | Journal article
DOI: 10.1016/j.scriptamat.2012.10.027
EID:

2-s2.0-84870055124
Contributors: Arshad, S.N.; Lach, T.G.; Pouryazdan, M.; Hahn, H.; Bellon, P.; Dillon, S.J.; Averback, R.S.
Source: Self-asserted source
Timothy Lach via Scopus - Elsevier

Peer review (6 reviews for 5 publications/grants)

Review activity for Acta materialia. (1)
Review activity for International journal of pressure vessels and piping. (1)
Review activity for Journal of materials science. (1)
Review activity for Journal of nuclear materials. (1)
Review activity for Surfaces and interfaces. (2)
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